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Related Parties - Summary of Transactions with Related Parties (Parenthetical) (Detail) - MXN ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of transactions between related parties [line items]          
Materials purchased from subsidiaries     $ 11,018,630 $ 11,447,164 $ 5,312,845
Sale Of Towers Of Related Party Transactions     3,323,594 6,943,400  
Grupo Carso, SAB de CV [member]          
Disclosure of transactions between related parties [line items]          
Network maintenance service cost     117,321 121,728 203,013
Associates [member]          
Disclosure of transactions between related parties [line items]          
Software service expense     16,556 50,730 13,490
Seguros Inbursa SA and Fianzas Guardiana Inbursa, SA [member]          
Disclosure of transactions between related parties [line items]          
Insurance premium     3,281,176 3,814,995 $ 2,713,370
Telesites SAB de CV [Member]          
Disclosure of transactions between related parties [line items]          
Payment Of Tower Rent     316,700 $ 19,300  
Sale Of Towers Of Related Party Transactions $ 1,194,180 $ 6,943,400 1,390,980    
Sitios [Member]          
Disclosure of transactions between related parties [line items]          
Sale Of Towers Of Related Party Transactions     $ 738,434