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Bank Loans and issuance of Debt Securities - Additional Information (Detail) - MXN ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Feb. 24, 2006
Disclosure of detailed information about borrowings [Line Items]          
Percentage of common stock voting       100.00% 85.00%
Expenses recognized related to emissions   $ 9,313,000 $ 7,797,000    
Restriction in sale or transfer of assets maximum $ 1,000,000        
Master Development Program 2016 [Member]          
Disclosure of detailed information about borrowings [Line Items]          
Capital investments     $ 2,600,000,000    
Master Development Program 2017 [Member]          
Disclosure of detailed information about borrowings [Line Items]          
Capital investments   $ 3,800,000,000