v3.26.1
Bank Loans and Notes Payable - Hedging Derivatives (Details) - MXN ($)
 3 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 76,500,000,000 $ 67,218,000,000  
Interest pay rate 5.46%      
3.9% fixed to 8.6% fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Interest pay rate       9.40%
Interest receive rate       4.40%
MXN/USD | Fixed to variable interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount     $ 14,330,000,000  
Interest pay rate     8.90%  
Interest receive rate     3.90%  
MXN/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount     $ 10,000,000,000  
Interest pay rate     8.90%  
Interest receive rate     3.50%  
MXN/USD | 3.9% fixed to 8.6% fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 36,961,000,000 $ 0 $ 5,398,000,000
Interest pay rate   8.60% 9.40%  
Interest receive rate   3.90% 4.40%  
EUR/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 12,316,000,000 $ 12,415,000,000  
Interest pay rate   1.90% 1.90%  
Interest receive rate   0.70% 0.70%  
BRL/USD | Fixed to variable interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 6,289,000,000 $ 7,094,000,000  
Interest pay rate   14.40% 12.10%  
Interest receive rate   2.30% 2.30%  
BRL/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 8,624,000,000 $ 9,729,000,000  
Interest pay rate   8.00% 8.00%  
Interest receive rate   2.80% 2.80%  
Colombian pesos | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 1,049,000,000 $ 1,184,000,000  
Interest pay rate   6.30% 6.30%  
Interest receive rate   2.80% 2.80%  
Mexican pesos | Fixed to variable interest rate | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 8,983,000,000 $ 10,134,000,000  
Interest pay rate   4.50% 4.80%  
Interest receive rate   1.90% 1.90%  
Mexican pesos | Variable to fixed interest rate | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 2,278,000,000 $ 2,331,000,000  
Interest pay rate   6.10% 3.60%  
Interest receive rate   6.00% 1.90%  
2026        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 5,541,000,000    
2026 | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount     $ 4,483,000,000  
2026 | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount     2,339,000,000  
2026 | BRL/USD | Fixed to variable interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 4,492,000,000    
Interest pay rate   15.70%    
Interest receive rate   2.10%    
2026 | BRL/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 0    
Interest pay rate   0.00%    
Interest receive rate   0.00%    
2026 | Colombian pesos | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 1,049,000,000    
Interest pay rate   6.30%    
Interest receive rate   2.80%    
2026 | Mexican pesos | Variable to fixed interest rate | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 0    
Interest pay rate   0.00%    
Interest receive rate   0.00%    
2027        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 1,797,000,000    
2027 | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   7,217,000,000 7,243,000,000  
2027 | BRL/USD | Fixed to variable interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 1,797,000,000    
Interest pay rate   11.30%    
Interest receive rate   2.80%    
2028        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 9,043,000,000    
2028 | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   11,913,000,000 19,300,000,000  
2028 | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   2,278,000,000    
2028 | EUR/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 6,765,000,000    
Interest pay rate   1.70%    
Interest receive rate   0.50%    
2028 | Mexican pesos | Variable to fixed interest rate | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 2,278,000,000    
Interest pay rate   6.10%    
Interest receive rate   6.00%    
2029        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 0    
2029 | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   8,705,000,000 6,819,000,000  
2030        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   14,499,000,000    
2030 | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   1,327,000,000 2,182,000,000  
2030 | MXN/USD | 3.9% fixed to 8.6% fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 5,875,000,000    
Interest pay rate   7.60%    
Interest receive rate   2.80%    
2030 | BRL/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 8,624,000,000    
Interest pay rate   8.00%    
Interest receive rate   2.80%    
2031 and thereafter        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 45,620,000,000    
2031 and thereafter | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   8,983,000,000 $ 10,134,000,000  
2031 and thereafter | MXN/USD | 3.9% fixed to 8.6% fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 31,086,000,000    
Interest pay rate   8.80%    
Interest receive rate   4.10%    
2031 and thereafter | EUR/USD | Fixed to fixed interest rate | Cross-currency swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 5,551,000,000    
Interest pay rate   2.10%    
Interest receive rate   1.00%    
2031 and thereafter | Mexican pesos | Fixed to variable interest rate | Interest rate swaps        
Disclosure of financial instruments by type of interest rate [line items]        
Notional Amount   $ 8,983,000,000    
Interest pay rate   4.50%    
Interest receive rate   1.90%