Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 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 | 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 | 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 | 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 | 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 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 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 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 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 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                84,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                30,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                58,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,210,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,683,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,657,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                18,568,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,120,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,122,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -487,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,722,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -487,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,646,629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,210,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,529,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,122,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,683,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                21,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -506,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,875,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,944,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -506,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                58,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,210,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,210,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,878,089,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,768,729,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,875,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,120,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,120,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,120,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,768,729,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,944,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,526,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,962,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,210,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,459,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,120,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,120,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,856,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -237,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -269,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -269,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -269,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -269,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | 
                                                1,003,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,003,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,003,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | 
                                                21,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                19,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                21,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                21,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                21,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                19,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -67,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -67,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                19,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                19,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                11,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                8,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                8,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -3,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                771,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                779,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                760,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                778,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                738,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                799,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                808,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -504,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                418,347,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                417,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -87,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -87,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -3,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |