Quarter Period Consolidated Statement Of Comprehensive Income
| Concept | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,436,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | 
                                                5,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -59,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Foreign currency translation adjustment | — | — | — | — | 
                                                774,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,342,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | 
                                                2,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | — | — | — | 
                                                783,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,302,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income | — | — | — | — | 
                                                2,219,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | 
                                                2,219,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |