Notes - Segment Information, Etc.
| Concept | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
                                                    
                                                
                                             | 
                                                15,245,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,549,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,629,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,524,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,629,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,631,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,571,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -2,088,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,088,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,794,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,088,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,917,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,917,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,917,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |