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) | 
                                                11,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,430,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,674,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -106,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign currency translation adjustment | — | — | — | 
                                                5,429,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                -30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                5,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,843,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                14,723,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,517,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                14,723,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,517,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |