Notes - Finance Income And Finance Costs
| Concept | 2023-04-01 to 2023-12-31 | 2023-10-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 2022-10-01 to 2022-12-31 | 
|---|---|---|---|---|
| Notes - Finance income and finance costs | ||||
| Components of finance income and finance costs | ||||
| Finance income | ||||
| Finance income | 
                                                2,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                352,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,324,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Finance costs | ||||
| Finance costs | 
                                                489,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,350,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |