Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                9,198,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                314,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                314,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                250,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -353,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,892,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                344,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,198,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,638,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                344,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                250,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,785,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,311,926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                314,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                314,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -397,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,301,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,040,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                314,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -448,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,365,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                250,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                344,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,587,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,110,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                314,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,575,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | 
                                                -312,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -312,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -312,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -312,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -258,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -258,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -258,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -258,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | — | — | 
                                                -8,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,369,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                36,369,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                44,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -8,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                48,492,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -2,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                48,492,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                50,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -10,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -10,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -147,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -102,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -113,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                44,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -147,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                724,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                674,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                674,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                725,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                50,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — |