Property, Plant and Equipment, net - Additional Information (Detail) - MXN ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items]
Fair value gain on revaluation Of telecommunications towers net of depreciation effect Impact	$ 6,450,825
Telecommunications Towers [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Net income from the revaluation of the telecommunications towers	$ 98,172,675	$ 107,152,628

The amount of revenue arising from the rendering of telecommunication services. [Refer: Revenue]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_RevenueFromRenderingOfTelecommunicationServices
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration