Consolidated Statement Of Income
| Concept | 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 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||
| Statement of income | ||||||||||||||
| Net sales | — | — | 
                                                52,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                52,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                50,003,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                50,003,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||
| Operating expenses - general | ||||||||||||||
| Depreciation | — | — | 
                                                713,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                713,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||
| Selling, general and administrative expenses | — | — | 
                                                13,222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                13,171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                12,843,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                12,896,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision of allowance for doubtful accounts | — | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | 
                                                5,394,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||||||
| Operating expenses | ||||||||||||||
| Other operating expenses | ||||||||||||||
| Cost of sales | — | — | 
                                                31,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                31,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                30,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                30,522,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| General and administrative expenses | ||||||||||||||
| Operating expenses | ||||||||||||||
| Research and development expenses | — | — | 
                                                363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||||||||||||||
| Operating profit (loss) | — | — | 
                                                8,072,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,044,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,584,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | — | — | 
                                                21,294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                21,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,346,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,481,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | — | 
                                                8,125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,096,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,806,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,888,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||||||||||||||
| Non-operating income | — | — | 
                                                299,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                298,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                371,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||
| Other | — | — | 
                                                81,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                204,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||||||||||||||
| Non-operating expenses | ||||||||||||||
| Interest expenses | — | — | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | — | — | 
                                                246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | — | — | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | — | — | 
                                                7,864,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,835,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,538,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||||||||||||||
| Extraordinary income | ||||||||||||||
| Income taxes - current | — | — | 
                                                2,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,367,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||||||||||||||
| Income taxes - deferred | — | — | 
                                                206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                132,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | — | — | 
                                                2,576,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,282,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | — | 
                                                5,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,285,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,285,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,285,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,285,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                5,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                4,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | — | — | 
                                                13,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | — | — | 
                                                34,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | — | — | 
                                                6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | — | — | 
                                                53,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                59,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||||||||||||||
| Comprehensive income | — | — | 
                                                5,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                4,397,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | 
                                                5,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                4,397,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |