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) | 
                                                1,712,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,712,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,712,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,266,579,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,712,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                364,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                976,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                364,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                364,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                364,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -228,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                585,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                253,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                236,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | 
                                                -82,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                78,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                -56,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                900,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                2,209,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,877,292,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                2,206,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,840,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                3,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |