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Other Current Assets and Other Current Financial Assets - Additional Information (Detail) - MXN ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subclassifications of assets, liabilities and equities [abstract]
Other current assets and other current financial assets	$ 5,043	$ 6,748	$ 5,813

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Other current assets and financial assets

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