Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,461,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                86,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,766,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                98,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,089,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,103,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                142,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                39,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,345,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,694,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,563,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                694,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,563,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,412,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,176,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                86,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                151,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,681,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,766,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,155,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                119,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                119,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                133,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,345,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                182,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,155,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,461,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -35,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,694,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,898,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,592,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,800,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                54,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                188,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                178,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,189,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,243,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,884,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                178,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,495,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,704,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,534,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,650,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,766,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,838,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,525,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,103,525,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -137,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                649,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                649,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                649,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,096,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,096,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,096,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | 
                                                -34,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -11,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -32,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                14,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                19,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -32,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -32,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -2,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -59,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -59,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -34,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -59,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -51,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -37,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -34,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -32,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                407,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                407,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                375,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                511,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                514,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                511,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                407,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -32,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -25,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -54,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,399,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,096,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,155,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,096,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,189,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -59,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -34,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -59,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,345,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -51,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,285,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -4,189,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,059,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,189,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |