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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -8,315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                55,686,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,024,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,792,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,713,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                35,108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,505,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                57,899,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,585,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                56,457,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,815,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                37,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,647,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,024,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -5,815,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,893,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,489,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                58,166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,131,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,920,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,189,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,514,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,024,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -4,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                4,088,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,831,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | — | — | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                776,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                644,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,577,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -770,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,696,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                776,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -387,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                803,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -675,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                644,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -397,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,577,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,820,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,596,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                5,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |