XML 121 R105.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2017
TWD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
TWD ($)
Dec. 31, 2015
TWD ($)
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance $ 143,880,241      
Depreciation expense 28,747,518 $ 969,890 $ 28,961,614 $ 28,938,770
Additions 23,677,682 798,842 27,680,862 28,280,821
Ending balance 135,168,406 4,560,338 143,880,241  
Cost [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 364,012,147 12,281,112 355,233,007 336,787,690
Additions 23,677,682 798,842 27,680,862 28,280,821
Disposals (9,896,428) (333,887) (7,069,481) (8,700,239)
Reclassification (474,352) (16,003) (175) 130,809
Acquisitions through business combinations     1,159  
Effect of foreign currency exchange differences (6,998,807) (236,128) (11,833,225) (1,266,074)
Ending balance 370,320,242 12,493,936 364,012,147 355,233,007
Accumulated depreciation, amortisation and impairment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 220,131,906 7,426,852 205,235,932 185,200,575
Depreciation expense 28,625,287 965,766 28,961,614 28,938,770
Impairment losses recognized 289,558 9,769 888,231 258,129
Disposals (8,757,164) (295,450) (6,245,611) (8,372,341)
Reclassification (199,745) (6,740)   (3,208)
Acquisitions through business combinations     824  
Effect of foreign currency exchange differences (4,938,006) (166,599) (8,709,084) (785,993)
Ending balance 235,151,836 7,933,598 220,131,906 205,235,932
Land [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 3,365,013      
Ending balance 3,258,518 109,937 3,365,013  
Land [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 3,365,013 113,529 3,381,300 3,348,018
Reclassification (35,965) (1,212)    
Effect of foreign currency exchange differences (70,530) (2,380) (16,287) 33,282
Ending balance 3,258,518 109,937 3,365,013 3,381,300
Buildings and improvements [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 58,028,631      
Ending balance 58,272,864 1,966,021 58,028,631  
Buildings and improvements [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 96,258,175 3,247,577 94,447,932 86,725,254
Additions 350,434 11,823 22,341 132,584
Disposals (609,294) (20,556) (684,698) (405,040)
Reclassification 6,483,392 218,738 5,110,102 8,579,472
Effect of foreign currency exchange differences (2,294,779) (77,422) (2,637,502) (584,338)
Ending balance 100,187,928 3,380,160 96,258,175 94,447,932
Buildings and improvements [member] | Accumulated depreciation, amortisation and impairment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 38,229,544 1,289,796 34,646,878 30,329,544
Depreciation expense 5,156,558 173,973 5,114,263 4,790,646
Impairment losses recognized 2,310 78 620 120,424
Disposals (478,903) (16,157) (449,198) (308,895)
Reclassification (210,080) (7,088) (5,123) 5,704
Effect of foreign currency exchange differences (784,365) (26,463) (1,077,896) (290,545)
Ending balance 41,915,064 1,414,139 38,229,544 34,646,878
Machinery and equipment1 [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 72,700,762      
Ending balance 66,185,198 2,232,969 72,700,762  
Machinery and equipment1 [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 248,200,756 8,373,845 243,283,607 233,669,627
Additions 102,301 3,451 94,480 553,496
Disposals (8,449,949) (285,086) (5,956,179) (8,041,933)
Reclassification 18,331,738 618,480 19,661,732 18,054,712
Effect of foreign currency exchange differences (4,986,843) (168,247) (8,882,884) (952,295)
Ending balance 253,198,003 8,542,443 248,200,756 243,283,607
Machinery and equipment1 [member] | Accumulated depreciation, amortisation and impairment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 175,499,994 5,921,052 164,568,298 149,497,980
Depreciation expense 22,722,307 766,610 22,983,290 23,372,408
Impairment losses recognized 286,880 9,679 876,123 31,116
Disposals (7,540,654) (254,408) (5,544,489) (7,838,937)
Reclassification 34,452 1,162 9,660 (11,920)
Effect of foreign currency exchange differences (3,990,174) (134,621) (7,392,888) (482,349)
Ending balance 187,012,805 6,309,474 175,499,994 164,568,298
Other equipment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 2,089,581      
Ending balance 1,588,113 53,580 2,089,581  
Other equipment [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 8,474,661 285,920 7,722,408 7,182,574
Additions 130,659 4,408 470,901 401,417
Disposals (763,937) (25,774) (159,822) (232,555)
Reclassification 174,947 5,902 691,276 389,783
Acquisitions through business combinations     1,159  
Effect of foreign currency exchange differences (204,250) (6,891) (251,261) (18,811)
Ending balance 7,812,080 263,565 8,474,661 7,722,408
Other equipment [member] | Accumulated depreciation, amortisation and impairment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 6,385,080 215,421 5,907,414 5,365,887
Depreciation expense 746,422 25,183 864,061 775,716
Impairment losses recognized 368 12 5,564  
Disposals (720,319) (24,302) (151,875) (224,509)
Reclassification (24,117) (814) (4,537) 3,008
Acquisitions through business combinations     824  
Effect of foreign currency exchange differences (163,467) (5,515) (236,371) (12,688)
Ending balance 6,223,967 209,985 6,385,080 5,907,414
Construction in progress and machinery in transit [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 7,696,254      
Ending balance 5,863,713 197,831 7,696,254  
Construction in progress and machinery in transit [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 7,713,542 260,241 6,397,760 5,862,217
Additions 23,094,288 779,160 27,093,140 27,193,324
Disposals (73,248) (2,471) (268,782) (20,711)
Reclassification (25,428,464) (857,911) (25,463,285) (26,893,158)
Effect of foreign currency exchange differences 557,595 18,812 (45,291) 256,088
Ending balance 5,863,713 197,831 7,713,542 6,397,760
Construction in progress and machinery in transit [member] | Accumulated depreciation, amortisation and impairment [member]        
Disclosure of detailed information about property, plant and equipment [Line Items]        
Beginning balance 17,288 583 113,342 7,164
Impairment losses recognized     5,924 106,589
Disposals $ (17,288) $ (583) (100,049)  
Effect of foreign currency exchange differences     (1,929) (411)
Ending balance     $ 17,288 $ 113,342