XML 128 R105.htm IDEA: XBRL DOCUMENT v3.23.1
Property, Plant and Equipment, Net - Summary of Property, Plant and Equipment, Net (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Dec. 31, 2020
TWD ($)
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance $ 20,111,121   $ 17,994,686 $ 17,979,444
Additions 4,918,482   6,552,702 4,133,615
Disposals (48,681)   (76,375) (19,358)
Reclassifications 1,012   0 0
Depreciation expenses (4,523,081)   (4,355,032) (4,098,993)
Impairment losses (12,721) $ (414) (4,843)  
Exchange adjustments 73   (17) (22)
Ending Balance 20,446,205 $ 665,350 20,111,121 17,994,686
Land [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 452,738   452,738 452,738
Additions 0   0 0
Disposals 0   0 0
Reclassifications 0   0 0
Depreciation expenses 0   0 0
Impairment losses 0   0  
Exchange adjustments 0   0 0
Ending Balance 452,738   452,738 452,738
Buildings [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 4,343,556   4,092,286 4,095,929
Additions 3,780   1,345 132,572
Disposals 0   0 0
Reclassifications 1,503,432   673,208 258,421
Depreciation expenses (465,260)   (423,283) (394,636)
Impairment losses 0   0  
Exchange adjustments 0   0 0
Ending Balance 5,385,508   4,343,556 4,092,286
Machinery and equipment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 13,282,185   11,348,297 11,163,121
Additions 6,748   11,829 592,565
Disposals (46,084)   (66,873) (8,940)
Reclassifications 2,603,381   4,890,400 2,336,238
Depreciation expenses (3,075,191)   (2,896,612) (2,734,667)
Impairment losses (12,721)   (4,843)  
Exchange adjustments 50   (13) (20)
Ending Balance 12,758,368   13,282,185 11,348,297
Tools [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 837,990   952,361 896,476
Additions 636   407 409,832
Disposals (2,597)   (9,502) (3,121)
Reclassifications 685,481   690,346 398,798
Depreciation expenses (724,813)   (795,622) (749,624)
Impairment losses 0   0  
Exchange adjustments 0   0 0
Ending Balance 796,697   837,990 952,361
Other [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 511,723   509,397 434,791
Additions 0   189 142,776
Disposals 0   0 (7,297)
Reclassifications 294,765   241,656 159,195
Depreciation expenses (257,817)   (239,515) (220,066)
Impairment losses 0   0  
Exchange adjustments 23   (4) (2)
Ending Balance 548,694   511,723 509,397
Construction in progress and equipment to be inspected [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 682,929   639,607 936,389
Additions 4,907,318   6,538,932 2,855,870
Disposals 0   0 0
Reclassifications (5,086,047)   (6,495,610) (3,152,652)
Depreciation expenses 0   0 0
Impairment losses 0   0  
Exchange adjustments 0   0 0
Ending Balance 504,200   682,929 639,607
Gross carrying amount [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 78,108,945   73,187,794 70,401,687
Ending Balance 81,866,361   78,108,945 73,187,794
Gross carrying amount [member] | Land [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 452,738   452,738 452,738
Ending Balance 452,738   452,738 452,738
Gross carrying amount [member] | Buildings [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 11,877,419   11,212,129 10,821,972
Ending Balance 13,379,852   11,877,419 11,212,129
Gross carrying amount [member] | Machinery and equipment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 57,176,339   53,246,474 51,244,512
Ending Balance 59,197,255   57,176,339 53,246,474
Gross carrying amount [member] | Tools [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 5,574,316   5,451,547 5,008,321
Ending Balance 5,716,357   5,574,316 5,451,547
Gross carrying amount [member] | Other [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 2,345,204   2,185,299 1,937,755
Ending Balance 2,615,959   2,345,204 2,185,299
Gross carrying amount [member] | Construction in progress and equipment to be inspected [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance 682,929   639,607 936,389
Ending Balance 504,200   682,929 639,607
Accumulated depreciation and impairment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (57,997,824)   (55,193,108) (52,422,243)
Ending Balance (61,420,156)   (57,997,824) (55,193,108)
Accumulated depreciation and impairment [member] | Land [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (0)   (0) (0)
Ending Balance (0)   (0) (0)
Accumulated depreciation and impairment [member] | Buildings [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (7,533,863)   (7,119,843) (6,726,043)
Ending Balance (7,994,344)   (7,533,863) (7,119,843)
Accumulated depreciation and impairment [member] | Machinery and equipment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (43,894,154)   (41,898,177) (40,081,391)
Ending Balance (46,438,887)   (43,894,154) (41,898,177)
Accumulated depreciation and impairment [member] | Tools [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (4,736,326)   (4,499,186) (4,111,845)
Ending Balance (4,919,660)   (4,736,326) (4,499,186)
Accumulated depreciation and impairment [member] | Other [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (1,833,481)   (1,675,902) (1,502,964)
Ending Balance (2,067,265)   (1,833,481) (1,675,902)
Accumulated depreciation and impairment [member] | Construction in progress and equipment to be inspected [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning Balance (0)   (0) (0)
Ending Balance $ (0)   $ (0) $ (0)