Notes - Segment Information, Etc.
| Concept | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                82,318,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,836,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,836,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                995,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,322,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,270,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,836,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,529,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,036,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,836,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                329,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,511,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,182,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,511,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |