Quarter Period Consolidated Statement Of Income
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||||||
| Net sales | 
                                                503,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                244,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,731,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,326,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,254,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,310,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                599,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                24,404,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -93,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,806,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,098,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,698,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,206,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                609,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -107,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                21,701,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                247,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                643,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | — | — | — | — | 
                                                15,522,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,082,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                15,113,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,598,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gross profit (loss) | — | — | — | — | — | — | — | 
                                                7,732,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,228,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,585,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,103,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||||||||
| Taxes and dues | — | — | — | — | — | — | — | — | 
                                                214,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                229,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Depreciation | — | — | — | — | — | — | — | 
                                                185,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                195,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                190,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                181,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Amortization of goodwill | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                22,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                22,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                22,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | — | — | — | — | — | — | — | 
                                                4,604,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,973,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                4,793,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                4,434,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating profit (loss) | 
                                                410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                134,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,979,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,082,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,127,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,254,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                58,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,254,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,791,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                974,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,791,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,580,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,668,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                142,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                29,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | 
                                                1,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Dividend income | — | — | — | — | — | — | — | 
                                                93,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                39,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                69,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | — | — | — | — | — | — | — | 
                                                369,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                358,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                213,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                226,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||||||
| Interest expenses | — | — | — | — | — | — | — | 
                                                7,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Share of loss of entities accounted for using equity method | — | — | — | — | — | — | — | — | 
                                                55,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5,591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Non-operating expenses | — | — | — | — | — | — | — | 
                                                133,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                189,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                14,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                8,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Ordinary profit (loss) | — | — | — | — | — | — | — | 
                                                3,363,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,423,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,991,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,887,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | ||||||||||||||||||||||||||||
| Extraordinary losses | — | — | — | — | — | — | — | 
                                                13,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) before income taxes | — | — | — | — | — | — | — | 
                                                3,349,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,409,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,991,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,887,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | — | — | — | — | — | — | — | 
                                                1,025,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,079,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                899,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                845,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | — | — | — | — | — | — | — | 
                                                8,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -45,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                102,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                116,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes | — | — | — | — | — | — | — | 
                                                1,033,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,033,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,001,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                962,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | — | — | — | 
                                                2,316,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,316,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,316,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,375,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,316,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,989,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,925,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,925,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,925,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,925,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit attributable to | ||||||||||||||||||||||||||||
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | — | — | 
                                                -317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -41,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | 
                                                2,376,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,376,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,376,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,989,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,989,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,989,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | ||||||||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | — | 
                                                223,672,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                209,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Foreign currency translation adjustment | — | — | — | — | — | — | — | — | 
                                                6,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | — | — | — | 
                                                39,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -19,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | — | — | — | — | — | 
                                                6,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                3,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Other comprehensive income | — | — | — | — | — | — | — | — | 
                                                275,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                195,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Comprehensive income | — | — | — | — | — | — | — | — | 
                                                2,651,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,184,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | — | 
                                                2,651,672,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,184,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | — | — | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -36,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — |