Semi-Annual Statement Of Changes In Equity
| Concept | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 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 | 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 | 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 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 | 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 statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,452,681,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,810,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,006,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,037,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,810,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                633,995,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,281,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,647,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                633,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,005,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                432,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                431,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,237,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,141,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,141,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,805,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,336,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,037,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,337,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,610,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                106,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,405,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,599,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,405,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,993,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,037,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,600,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,798,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,099,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cumulative effects of changes in accounting policies | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Restated balance | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                106,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,406,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,600,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,134,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,406,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,994,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,037,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,601,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,799,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,101,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -589,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -450,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | 
                                                2,431,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,258,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,258,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,258,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,258,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,261,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,185,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,185,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,185,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,185,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | 
                                                201,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                201,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                201,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                325,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                324,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                325,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                201,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,044,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,669,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                201,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,842,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,669,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,842,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,669,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,669,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                3,136,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                324,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,735,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                325,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,810,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,735,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,810,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,735,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,735,369,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |