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 | 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 | 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 | 
                                                34,126,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,377,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,543,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,840,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                583,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,161,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                163,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,126,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,900,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,908,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,305,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,522,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                597,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,497,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,497,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -62,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -47,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |