XML 177 R159.htm IDEA: XBRL DOCUMENT v3.22.1
Profit Before Income Tax - Summary of Employee Benefits Expense (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
TWD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
TWD ($)
Dec. 31, 2019
TWD ($)
Post-employment benefits        
Defined contribution plans $ 3,489,642 $ 125,798 $ 2,979,167 $ 3,148,209
Defined benefit plans 214,599 7,736 217,186 277,041
Post-employment benefits 3,704,241 133,534 3,196,353 3,425,250
Equity-settled share-based payments 699,211 25,206 955,575 871,699
Other employee benefits 90,412,118 3,259,269 76,648,412 70,279,752
Employee benefits expense 94,815,570 3,418,009 80,800,340 74,576,701
Operating costs [member]        
Post-employment benefits        
Employee benefits expense 61,555,563 2,219,018 52,526,164 49,173,778
Operating expense [member]        
Post-employment benefits        
Employee benefits expense $ 33,260,007 $ 1,198,991 $ 28,274,176 $ 25,402,923