Semi-Annual Statement Of Changes In Equity
| Concept | 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 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 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 | 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 | 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 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 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 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 | 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 | As at 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 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 | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                82,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                82,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                112,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,656,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,540,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,547,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,050,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,630,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -926,376,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,129,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,440,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,228,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,211,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                498,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,630,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                846,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -929,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                903,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,590,311,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,391,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,059,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                112,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,286,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                316,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,369,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,367,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                509,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,299,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,789,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -949,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                606,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,133,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,126,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,154,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                460,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,009,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                279,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,578,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                466,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,973,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,061,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,464,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cumulative effects of changes in accounting policies | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                80,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                80,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Restated balance | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -949,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                606,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,131,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,126,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,153,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                460,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,008,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                279,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,658,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                466,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,972,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,142,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,544,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -1,098,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -766,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | 
                                                976,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,341,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,341,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,341,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,341,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,446,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,029,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,029,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,029,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,029,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                60,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                61,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                60,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                60,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                60,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | — | 
                                                -7,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -7,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                282,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                308,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                14,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                22,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                14,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                334,550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                386,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                297,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -127,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -112,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -112,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -127,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                -316,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -7,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -7,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                282,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -149,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                253,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                308,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -141,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                239,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -132,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                247,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                262,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,045,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                386,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,278,401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                297,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,710,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,259,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -127,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,647,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,327,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,214,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -112,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -127,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |