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 | 
                                                18,157,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,253,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,550,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,817,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,855,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,817,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,993,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,085,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,993,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,219,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,206,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,481,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                1,935,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,452,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,236,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                772,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -22,236,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,540,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -22,540,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,003,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,326,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,125,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |