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Other Current and Non-current Liabilities - Summary of Other Current Liabilities (Detail) - MXN ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Subclassifications of assets, liabilities and equities [abstract]    
Provisions $ 10,509 $ 12,121
Interest payable 1,856 2,496
Advances from customers 3,838 3,886
Other accounts payable and accrued expenses 5,222 5,123
Contract liabilities with customers 775 770
Other current liabilities $ 22,200 $ 24,396