Notes - Segment Information, Etc.
| Concept | 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 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||||||
| Segment information | ||||||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||||||
| Sales | ||||||||||||||||||
| Revenues from external customers | 
                                                21,141,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                101,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,242,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,360,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,632,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,377,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,242,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,770,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,368,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                101,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,716,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,174,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,174,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,072,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,140,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,846,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                182,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -215,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                215,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -349,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                349,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                321,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                293,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |