Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                32,413,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,514,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,085,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                470,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                328,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,413,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,150,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                477,550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,450,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,450,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,660,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,461,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,636,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,636,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                342,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,106,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,448,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,448,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                222,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||||||
| Depreciation | 
                                                2,496,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,956,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,233,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                262,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,496,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,566,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                177,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                207,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,774,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,774,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,374,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Equity in earnings (losses) of affiliates | 
                                                3,513,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,512,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,512,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,513,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,752,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,751,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,751,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,752,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                11,390,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,731,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,990,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,973,302,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,390,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,789,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,407,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,085,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,525,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,525,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                998,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,481,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |