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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details)
 12 Months Ended
Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life of intangible asset 15 years
Buildings | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 50 years
Machinery and equipment | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 5 years
Network systems | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 60 years