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 | 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 | 
                                                7,082,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,011,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,762,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,762,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,640,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                4,616,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                857,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,699,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |