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Debt - Additional Information (Detail)
$ in Thousands, € in Millions, $ in Millions
 1 Months Ended 12 Months Ended
Jul. 31, 2023
MXN ($)
Dec. 31, 2023
EUR (€)
Dec. 31, 2022
MXN ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2023
USD ($)
Aug. 31, 2020
EUR (€)
Disclosure of detailed information about borrowings [line items]            
Weighted average cost of borrowed funds   5.94% 5.38%      
Borrowings     $ 510,589,480 $ 500,677,052    
Interest Rate Of Bond 9.50%          
Inflation Domestic Senior Note Reopened $ 3,150,000          
Mexican Global Note program [Member]            
Disclosure of detailed information about borrowings [line items]            
Sustainable bonds issued 17,000,000          
Domestic Senior Notes Program [Member]            
Disclosure of detailed information about borrowings [line items]            
Net debt       200,000    
Senior Notes 1 [member] | Domestic Senior Notes Program [Member]            
Disclosure of detailed information about borrowings [line items]            
Debt instrument face value $ 15,446,000          
Borrowings       100,000,000    
Euros [member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings     129,358,533 111,553,842    
Revolving Syndicated Credit Facility One [member]            
Disclosure of detailed information about borrowings [line items]            
Loan amount         $ 1,500  
Borrowings, maturity   2026        
Revolving Syndicated Credit Facility Two [member]            
Disclosure of detailed information about borrowings [line items]            
Loan amount         $ 2,500  
Borrowings, maturity   2024        
Syndicated revolving credit facilities [member] | Telekom Austria [member] | Euros [member]            
Disclosure of detailed information about borrowings [line items]            
Loan amount | €   € 1,000        
Lines of credit [member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings     $ 71,560,463 74,466,141    
Lines of credit [member] | Euros [member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings       10,443,291    
Lines of credit [member] | Telekom Austria [member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings       10,443,000    
Commercial Paper [member] | Commercial Paper One Two Three And Four Maturing In Two Thousand And Twenty Three [Member]            
Disclosure of detailed information about borrowings [line items]            
Commercial papers issued       $ 9,511,000   € 2,000
Mexico [member]            
Disclosure of detailed information about borrowings [line items]            
Commissions or the reimbursements for Mexican tax withholdings   4.90%