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 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 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 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 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 | 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 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 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 | 
                                                161,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,047,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,600,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,047,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,620,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,805,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,862,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,615,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,160,092,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                462,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,033,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,352,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,119,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                542,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,581,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                12,463,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,600,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,199,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                164,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,424,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,915,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,675,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,675,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,675,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,033,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                277,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                10,250,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,189,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,270,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -19,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,698,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,746,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,752,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -88,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,100,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                177,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,989,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,607,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,781,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                393,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,044,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,607,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,162,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,900,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,607,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,033,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,270,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,038,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,190,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,292,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,666,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                189,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -156,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -156,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,026,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                5,026,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,026,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                740,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                740,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                740,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | 
                                                -55,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                407,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -74,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                605,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                551,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -74,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -88,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,013,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -74,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                161,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                177,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -482,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -237,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -76,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -55,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                407,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -74,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                605,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -646,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -562,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                551,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -637,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,869,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -88,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,882,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,869,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -562,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -74,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -15,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                161,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -854,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                583,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                177,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                132,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                200,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -482,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -237,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                133,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                583,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                507,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,921,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |