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, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||||||||
| Sales | ||||||||||||||||||
| Revenues from external customers | 
                                                22,041,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                101,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,778,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,939,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,042,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,263,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,041,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,141,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                101,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,242,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,242,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,360,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,632,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,377,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,770,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                250,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                171,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -275,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                275,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                215,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -215,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||||||
| Depreciation | 
                                                910,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                123,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                123,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                769,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                141,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                496,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                769,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                786,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                901,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                786,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,338,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                509,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                3,189,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,906,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                482,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                282,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,331,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,906,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,860,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,109,614,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,860,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                299,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,177,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                246,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                248,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |