Inventories - Additional Information (Detail) $ in Millions, $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($)	Dec. 31, 2024 MXN ($)	Dec. 31, 2023 MXN ($)	Dec. 31, 2022 MXN ($)
Classes of current inventories [abstract]
Inventory write-down	$ 613	$ 660	$ 165	$ 80

The amount of expense recognised related to the write-down of inventories to net realisable value. [Refer: Inventories]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
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-Paragraph 98
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_98_a&doctype=Standard
-URIDate 2024-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration