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Other Current Assets and Other Current Financial Assets - Summary of Other Current Assets (Detail)
$ in Millions, $ in Millions
Dec. 31, 2020
USD ($)
 [1]
Dec. 31, 2020
MXN ($)
Dec. 31, 2019
MXN ($)
Subclassifications of assets, liabilities and equities [abstract]      
Prepaid expenses   $ 1,622 $ 1,354
Agreements with customers   115 294
Others   7  
Total $ 88 $ 1,744 $ 1,648 [2]
[1] Convenience translation to U.S. dollars ($) – See Note 2.2.3
[2] The Company initially adopted IFRS 16 on January 1, 2019 using the modified retrospective approach under which the comparative information is not restated. – See Note 3.18