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Other Liabilities, Provisions and Commitments - Summary of Other Non-current Financial Liabilities (Detail) - MXN ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of financial liabilities [line items] |  |
Other financial liabilities | $ 934 | $ 1,897
Derivative financial instruments |  |
Disclosure of financial liabilities [line items] |  |
Other financial liabilities | 571 | 1,436
Security deposits |  |
Disclosure of financial liabilities [line items] |  |
Other financial liabilities | $ 363 | $ 461

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- Definition The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph m -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_m&doctype=Standard -URIDate 2019-03-27 + Details
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