Investments in Other Entities - Summary of Investments in Other Entities (Detail) - MXN ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Investments accounted for using equity method \| Investment in associates and joint ventures
Disclosure of investments in associates and other [line items]
Investments accounted for using the equity method	$ 10,233	$ 9,246

The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Total for all associates [member]; Total for all joint ventures [member]; Total for all subsidiaries [member]; Investments in subsidiaries reported in separate financial statements]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 10
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_10&doctype=Standard
-URIDate 2024-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant