Quarter Period 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 | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of comprehensive income | ||||||||||||||
| Statement of comprehensive income | ||||||||||||||
| Profit (loss) | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,303,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,303,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,303,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,674,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,303,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                496,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                571,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                496,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                496,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                496,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | 
                                                -461,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,019,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | 
                                                75,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                85,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | — | — | 
                                                -386,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,104,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | — | — | 
                                                1,288,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,676,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | 
                                                1,147,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,531,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | 
                                                140,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                144,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |