Financial Risk Management - Summary of Interest Rate Profile of Company Interest-bearing Financial Instruments (Detail) $ in Thousands, $ in Thousands	Dec. 31, 2021 MXN ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 MXN ($)	Dec. 31, 2019 MXN ($)
Disclosure Of Financial Instruments By Type Of Interest Rate [Line Items]
Financial liabilities	$ (2,734,704)	$ (303,571)	$ (952,912)	$ (735,729)
Fixed-rate instruments [Member]
Disclosure Of Financial Instruments By Type Of Interest Rate [Line Items]
Financial liabilities	(12,265,065)		(6,326,350)	(1,500,000)
Effect of interest rate swaps	(9,800,000)		(9,800,000)	(6,800,000)
Interest-bearing financial instruments	(22,065,065)		(16,126,350)	(8,300,000)
Variable-rate instruments [Member]
Disclosure Of Financial Instruments By Type Of Interest Rate [Line Items]
Financial liabilities	(15,595,843)		(18,028,816)	(14,937,043)
Interest-bearing financial instruments	(5,795,843)		(8,228,816)	(8,137,043)
Debt securities, value	$ 9,800,000		$ 9,800,000	$ 6,800,000

- Definition

The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]]

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