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Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Aging of Accounts Receivable (Detail) - MXN ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Disclosure of accounts receivable [line items]    
Trade and other receivables $ 216,202,273 $ 208,148,699
Receivable from subscribers and distributors [member] | Cost [member]    
Disclosure of accounts receivable [line items]    
Trade and other receivables 156,569,986 154,659,093
Receivable from subscribers and distributors [member] | 1 - 30 days [member] | Cost [member]    
Disclosure of accounts receivable [line items]    
Trade and other receivables 15,595,155 31,726,606
Receivable from subscribers and distributors [member] | 31 - 60 days [member] | Cost [member]    
Disclosure of accounts receivable [line items]    
Trade and other receivables 4,533,856 4,099,261
Receivable from subscribers and distributors [member] | 61 - 90 days [member] | Cost [member]    
Disclosure of accounts receivable [line items]    
Trade and other receivables 2,543,476 2,574,082
Receivable from subscribers and distributors [member] | Greater than 90 days [member] | Cost [member]    
Disclosure of accounts receivable [line items]    
Trade and other receivables 39,074,927 49,419,630
Unbilled services provided [member] | Receivable from subscribers and distributors [member] | Cost [member]    
Disclosure of accounts receivable [line items]    
Trade and other receivables $ 94,822,572 $ 66,839,514