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) | 
                                                2,402,995,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,835,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                463,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                973,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,017,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -20,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -32,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share of other comprehensive income of entities accounted for using equity method | 
                                                9,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                1,427,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,045,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                3,830,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,880,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                3,643,424,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,607,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                186,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |