Consolidated Statement Of Comprehensive Income
| Concept | 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                -1,544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Foreign currency translation adjustment | 
                                                338,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | 
                                                338,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | 
                                                -1,206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -3,931,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | 
                                                -1,205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -3,930,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |