Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||
| Statement of income | ||||||||||||||||
| Net sales | 
                                                122,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                122,132,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,719,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -97,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,485,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,314,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,493,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Other operating income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Share of profit of entities accounted for using equity method | — | 
                                                124,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Cost of sales | — | 
                                                99,625,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                109,291,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||
| Operating expenses - general | ||||||||||||||||
| Welfare expenses | — | 
                                                994,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                989,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Depreciation | — | 
                                                1,421,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||
| Selling, general and administrative expenses | — | 
                                                18,288,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                18,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||
| Ordinary profit (loss) | — | 
                                                6,884,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                8,899,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Net sales | ||||||||||||||||
| Operating profit (loss) | 
                                                5,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,217,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -925,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,141,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,628,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,752,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,346,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||
| Research and development expenses | — | 
                                                3,884,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,293,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| General and administrative expenses | ||||||||||||||||
| Gross profit (loss) | — | 
                                                22,506,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                24,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Cost of sales | ||||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||||
| Non-operating income | ||||||||||||||||
| Interest income | — | 
                                                126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Dividend income | — | 
                                                931,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other | — | 
                                                442,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating income | — | 
                                                3,060,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,687,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Extraordinary income | — | 
                                                2,030,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||
| Interest expenses | — | 
                                                108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                84,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other | — | 
                                                232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                137,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating expenses | — | 
                                                394,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                275,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Extraordinary losses | — | 
                                                3,913,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                898,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Impairment losses | — | 
                                                2,971,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                21,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit (loss) before income taxes | — | 
                                                5,001,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                8,970,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Gross profit | ||||||||||||||||
| Extraordinary income | ||||||||||||||||
| Gain on sale of investment securities | — | 
                                                2,030,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                955,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Extraordinary losses | ||||||||||||||||
| Loss on retirement of non-current assets | — | 
                                                941,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                770,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Income taxes | — | 
                                                2,261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,266,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit (loss) | — | 
                                                2,739,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                6,704,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit (loss) attributable to non-controlling interests | — | 
                                                -241,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | 
                                                2,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                6,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other comprehensive income | ||||||||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -197,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Foreign currency translation adjustment | — | 
                                                626,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                52,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | 
                                                -36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other comprehensive income | — | 
                                                1,152,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -146,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit attributable to | ||||||||||||||||
| Comprehensive income | — | 
                                                3,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                6,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                4,088,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                6,111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                -196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — |