v3.26.1
Intangible Assets, Net and Goodwill - Assumptions used in fair value calculations of goodwill and intangible assets (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2025
MXN ($)
item
Dec. 31, 2025
MXN ($)
item
Dec. 31, 2024
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Dec. 31, 2023
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Intangible Assets, Net and Goodwill        
Number of CGU     2 5
Telecom        
Intangible Assets, Net and Goodwill        
Number of CGU 3 1    
Estimated recoverable amount | $ $ 519,500 $ 519,500    
Telecom | Residential        
Intangible Assets, Net and Goodwill        
Long-term growth rate (as a percentage) 3.30% 3.30% 3.70%  
Post-tax discount rate (as a percentage) 10.50% 10.50% 11.00%  
Pre-tax discount rate 14.30% 14.30% 14.00%  
Telecom | Satellite        
Intangible Assets, Net and Goodwill        
Long-term growth rate (as a percentage) 2.00% 2.00% 2.00%  
Post-tax discount rate (as a percentage) 11.00% 11.00% 11.30%  
Pre-tax discount rate 15.10% 15.10% 14.30%  
Telecom | Enterprise        
Intangible Assets, Net and Goodwill        
Long-term growth rate (as a percentage) 3.30% 3.30% 3.70%  
Post-tax discount rate (as a percentage) 10.70% 10.70% 11.00%  
Pre-tax discount rate 14.40% 14.40% 14.00%  
Minimum | Telecom | Residential        
Intangible Assets, Net and Goodwill        
Multiple of sales   1.6 1.7  
Multiple of EBITDA (as defined)   3.6 3.8  
Minimum | Telecom | Enterprise        
Intangible Assets, Net and Goodwill        
Multiple of sales   1.4 1  
Multiple of EBITDA (as defined)   4.4 3.2  
Maximum | Telecom | Residential        
Intangible Assets, Net and Goodwill        
Multiple of sales   3.2 3.7  
Multiple of EBITDA (as defined)   8.4 7.9  
Maximum | Telecom | Enterprise        
Intangible Assets, Net and Goodwill        
Multiple of sales   3.7 2.7  
Multiple of EBITDA (as defined)   8 6.7