Notes - Segment Information, Etc.
| 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 | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||
| Segment information | ||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||
| Sales | ||||||||||||||
| Revenues from external customers | 
                                                93,074,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,072,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,002,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,074,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,071,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,606,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,612,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,696,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,582,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,662,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,678,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,285,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |