Property, Plant and Equipment, net - Summary of fair value measurement for the revalued telecommunications towers (Detail) - Telecommunication towers [member] - MXN ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disclosure of fair value measurement of assets [line items]
Book value as of December 31, (cost model)	$ 633,024,004	$ 615,777,003
Supplement for change in accounting policy	98,172,675	107,152,628
Book value and fair value as of December 31, (revaluation model)	$ 731,196,679	$ 722,929,631

The increase (decrease) in the fair value measurement of assets. [Refer: At fair value [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2021-01-01
-Paragraph 93
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard
-URIDate 2021-03-24

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