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 | 
                                                190,984,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                807,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                342,906,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                806,148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,052,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                807,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,972,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                176,182,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                187,182,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                761,123,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                322,902,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                762,302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                762,302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,856,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                72,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                218,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                408,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,275,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                225,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |