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 | 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) | 
                                                3,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,545,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                -167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | 
                                                228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                121,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                581,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                5,222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,127,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                5,222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,127,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |