XML 200 R113.htm IDEA: XBRL DOCUMENT v3.20.1
Property, Plant and Equipment - Summary of Property, Plant and Equipment Depreciated Useful Lives (Detail) - Buildings and improvements [member]
 12 Months Ended
Dec. 31, 2019
Bottom of range [member] | Main plant buildings [Member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 10 years
Bottom of range [member] | Cleanrooms [Member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 10 years
Bottom of range [member] | Others [Member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 3 years
Bottom of range [member] | Machinery and equipment1 [member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 2 years
Bottom of range [member] | Other equipment [member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 2 years
Top of range [member] | Main plant buildings [Member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 55 years
Top of range [member] | Cleanrooms [Member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 20 years
Top of range [member] | Others [Member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 20 years
Top of range [member] | Machinery and equipment1 [member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 10 years
Top of range [member] | Other equipment [member]  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Property, plant and equipment useful lives 20 years