Notes - Segment Information, Etc.
| Concept | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||||
| Segment information | ||||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||||
| Sales | ||||||||||||||||
| Revenues from external customers | 
                                                31,529,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,600,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,561,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,395,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,899,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                619,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                291,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                327,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -619,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |