XML 160 R79.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property, Plant and Equipment, net - Additional Information (Details) (Detail)
R$ in Thousands, $ in Thousands, $ in Thousands
 12 Months Ended
Oct. 20, 2017
MXN ($)
Transponder
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
MXN ($)
Dec. 31, 2016
BRL (R$)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
BRL (R$)
Oct. 20, 2017
USD ($)
Disclosure of detailed information about property, plant and equipment [line items]              
Methods used to determine stage of completion of construction in progress   The completion period of construction in progress is variable and depends upon the type of fixed assets under construction.          
Estimated useful life of property, plant and equipment decription   Seven years          
Estimated useful life of property, plant and equipment   7          
Estimated cost of project   $ 13,186,926     $ 666,454    
Property, plant and equipment [member]              
Disclosure of detailed information about property, plant and equipment [line items]              
Capitalized interest amortization period   7          
Star One D2 satellite [member] | Star one [member]              
Disclosure of detailed information about property, plant and equipment [line items]              
Property, plant and equipment, investment capitalized   $ 916,240       R$ 153,179  
Star One D2 satellite [member] | Star one [member] | Space Systems Loral [member]              
Disclosure of detailed information about property, plant and equipment [line items]              
Number of transponders | Transponder 52            
Network Capacity 20            
Estimated cost of project $ 6,391,104           $ 323,000
Set top boxes [member] | Claro Brasil [member]              
Disclosure of detailed information about property, plant and equipment [line items]              
Increase in depreciation expense due to shortening of useful lives of property, plant and equipment     $ 2,468,415 R$ 458,234      
Land and buildings and other equipment [member] | Claro Brasil [member]              
Disclosure of detailed information about property, plant and equipment [line items]              
Property, plant and equipment, pledged in guarantee of legal proceedings | $   $ 3,521,082 $ 3,530,845