Consolidated Statement Of Changes In Equity
| Concept | 2023-04-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-03-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|---|---|
| Consolidated statement of changes in equity | ||||
| Statement of changes in equity | ||||
| Net assets | — | 
                                                24,354,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,239,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Changes during period | ||||
| Profit (loss) attributable to owners of parent | 
                                                1,160,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,034,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |