XML 98 R81.htm IDEA: XBRL DOCUMENT v3.8.0.1
Trade Notes and Accounts Receivable, Net (Details) - MXN ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Trade Notes and Accounts Receivable, Net      
Non-interest bearing notes received from customers as deposits and advances mainly in connection with annual ("upfront basis") and from time to time ("scatter basis") prepayments $ 17,309,800 $ 18,716,562  
Trade accounts receivable 11,074,352 10,056,382  
Allowance for doubtful accounts (3,657,079) (3,866,492) $ (3,679,505)
Total trade and other current receivables $ 24,727,073 $ 24,906,452