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, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||||||
| Sales | ||||||||||||||||
| Revenues from external customers | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,639,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,976,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,976,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,390,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,002,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,925,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,535,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -1,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,938,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                651,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                538,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,873,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,873,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,823,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |