Consolidated Statement Of Income
| Concept | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                23,614,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,519,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,614,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,982,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,349,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,515,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | 
                                                18,955,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                19,001,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Selling, general and administrative expenses | — | — | — | 
                                                4,550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,251,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Provision of allowance for doubtful accounts | — | — | — | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Other operating expenses | ||||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | — | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| General and administrative expenses | ||||||||||
| Operating profit (loss) | 
                                                108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -851,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                526,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -608,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -95,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -177,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -177,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | — | — | 
                                                74,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net sales | ||||||||||
| Gross profit (loss) | — | — | — | 
                                                4,658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,074,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Non-operating income | ||||||||||
| Interest income | — | — | — | 
                                                89,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                47,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividend income | — | — | — | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                33,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | — | 
                                                220,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | — | — | — | 
                                                846,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | ||||||||||
| Cost of sales | ||||||||||
| Extraordinary income | — | — | — | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | — | — | — | 
                                                880,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                433,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | — | — | 
                                                107,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | — | — | — | 
                                                88,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                37,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Impairment losses | — | — | — | 
                                                80,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Other | — | — | — | 
                                                22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                91,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | — | — | — | 
                                                -7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit | ||||||||||
| Extraordinary income | ||||||||||
| Gain on sale of non-current assets | — | — | — | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                182,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | — | — | 
                                                176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                282,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||
| Loss on retirement of non-current assets | — | — | — | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - deferred | — | — | — | 
                                                103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -28,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes | — | — | — | 
                                                279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | — | — | — | 
                                                -287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,010,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) attributable to owners of parent | — | — | — | 
                                                -287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,010,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Deferred gains or losses on hedges | — | — | — | 
                                                12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -35,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Foreign currency translation adjustment | — | — | — | 
                                                -360,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                533,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                -166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -37,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | — | — | 
                                                -396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit attributable to | ||||||||||
| Comprehensive income | — | — | — | 
                                                -684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,699,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                -684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,699,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |