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 | 
                                                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
                                                    
                                                
                                             | 
| Other items | ||||||||||||||||||
| Depreciation | 
                                                2,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,481,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,806,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,244,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,085,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,945,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,777,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,626,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Equity in earnings (losses) of affiliates | 
                                                392,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                881,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                621,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -132,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                881,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments in entities accounted for using equity method | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,625,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                561,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                561,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,625,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,470,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                3,846,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,020,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                773,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                501,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,800,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,968,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,922,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                591,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,515,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |