Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                38,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary income | — | — | 
| Other operating income | — | — | 
| Share of profit of entities accounted for using equity method | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                31,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,712,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                5,377,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,621,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Other operating expenses | ||
| Provision for retirement benefits for directors (and other officers) | 
                                                24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Net sales | ||
| Gross profit (loss) | 
                                                7,638,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,135,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                2,261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                2,331,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | ||
| Non-operating income | 
                                                170,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                64,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest income | 
                                                6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Other | 
                                                68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||
| Extraordinary losses | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest expenses | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Other | 
                                                13,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                2,331,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Extraordinary income | ||
| Extraordinary losses | ||
| Income taxes | 
                                                572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                1,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | 
                                                109,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                1,649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                357,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -91,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                193,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -32,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share of other comprehensive income of entities accounted for using equity method | 
                                                79,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                597,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                262,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Comprehensive income | 
                                                2,356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                437,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                2,169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                263,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |