Semi-Annual Statement Of Changes In Equity
| Concept | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 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 | As at 2024-03-31 | As at 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 | As at 2024-03-31 | As at 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 | 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 | As at 2024-03-31 | As at 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 | As at 2024-03-31 | As at 2024-03-31 | 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 | 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 | As at 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                2,108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                651,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                901,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                74,472,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,791,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,968,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,970,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                85,768,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                76,612,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                62,330,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,728,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,673,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,673,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,705,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                71,637,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,728,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,419,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,984,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,598,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,003,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,402,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,002,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,027,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,218,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,002,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,834,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,954,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,035,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,728,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,728,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,946,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,951,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,182,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -6,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -6,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -6,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -6,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -854,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -854,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -854,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -854,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -854,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -854,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                16,414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                16,414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                8,447,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                6,232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,180,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | — | 
                                                906,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                906,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -1,534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                367,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -742,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -55,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                570,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,323,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                906,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                906,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,350,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                12,142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,091,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                367,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,348,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,249,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -55,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,048,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                570,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,473,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |