Consolidated Statement Of Comprehensive Income
| Concept | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|
| Consolidated statement of comprehensive income | ||
| Statement of comprehensive income | ||
| Profit (loss) | 
                                                999,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                723,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                489,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                527,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                829,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -5,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share of other comprehensive income of entities accounted for using equity method | 
                                                46,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                1,057,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                901,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                2,056,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,624,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                2,056,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,624,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |