XML 105 R93.htm IDEA: XBRL DOCUMENT v3.8.0.1
Trade Accounts Receivable - Additional Information (Detail) - MXN ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure Of Trade Accounts Receivable [Abstract]      
Account receivable for passenger charger fees $ 644,142,000 $ 414,655,000 $ 170,541,000
Allowances for doubtful accounts in customer balances 12,412,000 9,876,000 110,442,000
Allowances for doubtful accounts in arrears of payments 19,115,000 20,747,000 25,973,000
Allowances for doubtful accounts at reversal of bad debt 11,100,000 14,884,000 24,891,000
Allowances for doubtful accounts of writeOff $ 0 $ 105,236,000 $ 9,905,000