Consolidated Statement Of Changes In Equity
| Concept | 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 | 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 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                1,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                12,611,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -203,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,691,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                200,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,779,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,790,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -203,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,699,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,698,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,611,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,560,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                200,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,659,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,650,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,480,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -203,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -203,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,653,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,480,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,730,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -203,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,286,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,206,706,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,418,094,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,386,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -203,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,337,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,328,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,206,706,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -231,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -231,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | 
                                                280,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                280,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                280,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                544,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                544,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                544,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -2,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -2,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                12,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                12,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                12,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                131,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                48,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                131,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                312,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                312,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                273,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                12,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                324,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |