Notes - Segment Information, Etc.
| Concept | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||||
| Segment information | ||||||||||||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||||||
| Sales | ||||||||||||||||
| Revenues from external customers | 
                                                3,748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,313,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,887,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,089,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                95,565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,313,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,763,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,654,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,891,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,654,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,964,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,087,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,839,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                699,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                506,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                595,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,295,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,295,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                610,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                602,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                98,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |