Quarterly Consolidated Statement Of Cash Flows
| Concept | 2024-01-01 to 2024-06-30 | As at 2024-06-30 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|
| Quarterly consolidated statement of cash flows | |||||||||
| Statement of cash flows | |||||||||
| Cash flows from operating activities | |||||||||
| Profit (loss) before income taxes | 
                                                2,955,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,988,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,333,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,172,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,932,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | 
                                                364,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                817,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                876,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Impairment losses | — | — | — | 
                                                32,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                239,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Amortization of goodwill | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                48,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividend income | 
                                                -61,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest expenses | 
                                                15,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                31,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                21,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in trade receivables | 
                                                87,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -132,271,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                238,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in inventories | 
                                                281,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -310,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,249,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Increase (decrease) in trade payables | 
                                                -219,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                99,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                226,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | 
                                                -247,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                216,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                75,474,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Subtotal | 
                                                3,146,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,932,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,860,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | 
                                                61,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | 
                                                -14,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -23,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -15,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | 
                                                -409,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -804,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,073,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | 
                                                2,723,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,104,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,776,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||||||
| Purchase of property, plant and equipment | 
                                                -493,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -678,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -606,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of property, plant and equipment | 
                                                14,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
| Proceeds from sale of investment securities | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                159,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | 
                                                -37,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -85,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -61,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | 
                                                -598,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,012,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -747,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||||||
| Proceeds from long-term borrowings | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -722,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,975,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | 
                                                -896,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -311,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -382,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | 
                                                -962,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -585,271,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,393,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | 
                                                -8,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                30,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                75,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                1,153,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                536,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                712,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | — | 
                                                7,451,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,268,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,731,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,718,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |