Consolidated Statement Of Changes In Equity
| Concept | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2024-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2023-06-30 | As at 2023-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | As at 2022-06-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                3,040,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -239,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,827,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -239,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,529,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,388,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,046,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,062,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                141,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                98,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,040,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                76,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,181,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,750,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,028,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,823,649,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,812,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,024,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                925,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,919,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,024,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,667,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                33,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -180,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,919,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,862,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,884,970,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -180,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,039,741,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,895,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -38,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -211,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,895,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,332,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,989,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,078,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                901,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,200,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,248,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -211,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -50,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,332,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | 
                                                -156,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -156,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -156,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -156,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -156,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -172,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -156,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -130,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -130,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -143,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -130,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -130,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -130,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -130,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | 
                                                670,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                670,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                670,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                808,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                808,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                808,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | — | — | — | — | — | 
                                                223,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                223,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                102,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                120,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                120,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                223,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                102,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                223,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                57,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                23,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                57,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                23,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                57,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                25,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                65,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                89,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                83,666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                89,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -57,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                514,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                37,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -59,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                120,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                120,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                65,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                666,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -73,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -59,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                575,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                692,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                23,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                733,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                89,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                623,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                692,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                678,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                636,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                83,666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                822,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |