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Mergers, Acquisitions and Disposals - Unaudited Pro Forma Financial Information (Details) - MXN ($) $ / shares in Units, $ in Millions | 12 Months Ended
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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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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2021-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_66&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2021-01-01 -Paragraph 67 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_67&doctype=Standard -URIDate 2021-03-24 + Details
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