XML 83 R65.htm IDEA: XBRL DOCUMENT v3.21.1
ACCOUNTING POLICIES (Useful life of property, plant & equipment) (Details)
 12 Months Ended
Dec. 31, 2020
Buildings and improvements | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 10 years
Buildings and improvements | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 50 years
Production equipment | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 5 years
Production equipment | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 40 years
Vehicles, furniture and fixtures and other equipment | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 3 years
Vehicles, furniture and fixtures and other equipment | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 20 years
Buildings and facilities | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, right-of-use assets 1 year
Buildings and facilities | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, right-of-use assets 29 years
Production equipment | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, right-of-use assets 1 year
Production equipment | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, right-of-use assets 12 years