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Mergers, Acquisitions and Disposals - Unaudited Pro Forma Financial Information (Details) - MXN ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of detailed information about business combination [line items]
Total revenues	$ 565,838	$ 508,367	$ 516,496
Income before income taxes and share of the profit of equity accounted investees	41,313	20,019	33,823
Net income	$ 37,800	$ 4,464	$ 29,516
Series B | Other acquisitions
Disclosure of detailed information about business combination [line items]
Basic net controlling interest income per share	$ 1.43	$ (0.06)	$ 1.11
Series D | Other acquisitions
Disclosure of detailed information about business combination [line items]
Basic net controlling interest income per share	$ 1.78	$ (0.08)	$ 1.38

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Business combination proforma income before income taxes and share of the profit of equity accounted investees.

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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