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) | 
                                                4,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,438,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -39,062,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Deferred gains or losses on hedges | — | — | — | 
                                                1,575,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -32,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                2,123,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                614,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                -35,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                -26,959,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                27,067,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                -27,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                26,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                154,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                678,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |