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 | 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 | 
                                                12,409,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,381,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,348,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,967,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,409,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,349,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,397,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,397,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,346,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,002,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||
| Depreciation | 
                                                96,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,774,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                81,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |