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 | 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) | 
                                                2,450,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,842,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||
| Valuation difference on available-for-sale securities | 
                                                -30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -120,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Deferred gains or losses on hedges | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Foreign currency translation adjustment | 
                                                1,403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Remeasurements of defined benefit plans, net of tax | 
                                                452,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                135,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | 
                                                1,755,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | 
                                                4,206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,433,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||
| Comprehensive income attributable to owners of parent | 
                                                3,909,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,193,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | 
                                                296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                240,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |