v3.26.1
Consolidated Statements of Comprehensive Income
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
TWD ($)
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2024
TWD ($)
$ / shares
Dec. 31, 2023
TWD ($)
$ / shares
Statement of comprehensive income [abstract]        
Operating revenues $ 237,553,199 $ 7,572,623 $ 232,302,584 $ 222,533,000
Operating costs (168,646,700) (5,376,050) (156,648,504) (144,789,162)
Gross profit 68,906,499 2,196,573 75,654,080 77,743,838
Operating expenses        
Sales and marketing expenses (2,433,447) (77,573) (2,701,483) (3,225,154)
General and administrative expenses (6,791,899) (216,509) (7,117,416) (7,477,037)
Research and development expenses (17,724,752) (565,022) (15,616,039) (13,283,830)
Expected credit impairment gains 2,408 77 69,519 130,518
Subtotal (26,947,690) (859,027) (25,365,419) (23,855,503)
Net other operating income and expenses 1,989,879 63,433 1,323,909 4,002,326
Operating income 43,948,688 1,400,979 51,612,570 57,890,661
Non-operating income and expenses        
Interest income 2,278,551 72,635 3,670,218 4,853,124
Other income 2,457,203 78,330 1,253,376 1,773,498
Other gains and losses 925,211 29,492 (302,704) 223,096
Finance costs (1,602,065) (51,070) (1,756,100) (1,570,374)
Share of profit or loss of associates and joint ventures 657,163 20,949 1,238,628 4,307,614
Bargain purchase gain in acquisition of equity investee 0 0 0 494,001
Exchange gain, net 0 0 1,328,832 478,784
Exchange loss, net (583,084) (18,587)    
Subtotal 4,132,979 131,749 5,432,250 10,559,743
Income from continuing operations before income tax 48,081,667 1,532,728 57,044,820 68,450,404
Income tax expense (7,902,854) (251,924) (8,370,194) (8,311,270)
Net income 40,178,813 1,280,804 48,674,626 60,139,134
Items that will not be reclassified subsequently to profit or loss        
Remeasurements of defined benefit pension plans 145,103 4,625 188,451 402,234
Unrealized gains or losses from equity instruments investments measured at fair value through other comprehensive income (3,423,919) (109,146) (539,327) 5,530,359
Share of other comprehensive income (loss) of associates and joint ventures which will not be reclassified subsequently to profit or loss 3,090,371 98,514 301,134 1,610,116
Income tax related to items that will not be reclassified subsequently 29,772 949 16,216 (414,395)
Subtotal (158,673) (5,058) (33,526) 7,128,314
Items that may be reclassified subsequently to profit or loss        
Exchange differences on translation of foreign operations (5,848,451) (186,435) 8,902,745 (2,386,278)
Share of other comprehensive income (loss) of associates and joint ventures which may be reclassified subsequently to profit or loss (17,319) (552) 323,374 (74,418)
Income tax related to items that may be reclassified subsequently 515,359 16,428 129,000 390,428
Subtotal (5,350,411) (170,559) 9,355,119 (2,070,268)
Total other comprehensive income (loss) (5,509,084) (175,617) 9,321,593 5,058,046
Total comprehensive income (loss) 34,669,729 1,105,187 57,996,219 65,197,180
Net income (loss) attributable to:        
Shareholders of the parent 40,360,314 1,286,590 48,779,300 59,688,950
Non-controlling interests (181,501) (5,786) (104,674) 450,184
Net income 40,178,813 1,280,804 48,674,626 60,139,134
Comprehensive income (loss) attributable to:        
Shareholders of the parent 34,851,252 1,110,974 58,100,817 64,747,010
Non-controlling interests (181,523) (5,787) (104,598) 450,170
Total comprehensive income (loss) $ 34,669,729 $ 1,105,187 $ 57,996,219 $ 65,197,180
Earnings per share (NTD)        
Earnings per share-basic | (per share) $ 3.3 $ 0.11 $ 4.01 $ 4.92
Earnings per share-diluted | (per share) $ 3.27 $ 0.1 $ 3.94 $ 4.82