Statement Of Changes In Equity
| Concept | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | As at 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | As at 2021-03-31 | 2020-04-01 to 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2020-03-31 | 2019-04-01 to 2020-03-31 | 2019-04-01 to 2020-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | As at 2019-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                4,149,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,149,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,172,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,215,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,002,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,215,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,573,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,419,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,930,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,009,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                26,146,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                151,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,215,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,094,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,938,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                230,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                31,093,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                339,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                230,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -219,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,149,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,323,525,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -113,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,331,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,431,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                672,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,091,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,149,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,326,505,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,900,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,900,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,084,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                24,757,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                31,530,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,474,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,232,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,239,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                962,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                962,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,149,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                704,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,385,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                230,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -288,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,149,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,440,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                962,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,900,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,448,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -110,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -340,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                956,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                928,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                956,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                956,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                956,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                385,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,192,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,192,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,192,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,192,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                144,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -198,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -874,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -187,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -11,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -319,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                45,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -144,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                69,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -364,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,389,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                678,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                144,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                479,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -874,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -187,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                678,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                846,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                543,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                846,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                846,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -38,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -437,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                562,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                852,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                852,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -117,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                45,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -144,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                69,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -364,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -289,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -117,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -38,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                851,970,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |