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 | 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 | 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 | 
                                                12,740,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,237,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,237,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                769,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,412,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,332,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,290,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,865,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                313,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                472,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |