Notes - Segment Information, Etc.
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||||||
| Segment information | ||||||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||||||
| Sales | ||||||||||||||||||
| Revenues from external customers | 
                                                34,944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                152,150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                327,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                151,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                152,150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                138,662,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                138,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                138,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,873,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                361,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                764,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,291,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                739,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |