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) | 
                                                3,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,579,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -661,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign currency translation adjustment | — | — | — | 
                                                278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | 
                                                291,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                513,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                -37,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                3,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,879,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                3,101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,858,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                28,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |