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Mergers and Acquisitions - Summary of Vonpar's Selected Income Statement Information Related to Business Acquisition (Detail) - Vonpar [member] $ in Millions	1 Months Ended
	Dec. 31, 2016 MXN ($)
Disclosure of Detailed Information About Business Combination [Line Items]
Total revenues	$ 1,628
Income before taxes	380
Net income	$ 252

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

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The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]

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