v3.26.1
Financial Instruments - Liquidity Risk (Details) - Liquidity risk
$ in Millions
Dec. 31, 2025
MXN ($)
Disclosure of detailed information about hedges [line items]  
Notes and bonds $ 137,519
Loans from Banks 10,147
Derivative financial liabilities (1,774)
2027  
Disclosure of detailed information about hedges [line items]  
Notes and bonds 13,473
Loans from Banks 7,201
Derivative financial liabilities (988)
2028  
Disclosure of detailed information about hedges [line items]  
Notes and bonds 9,324
Loans from Banks 2,428
Derivative financial liabilities (1,073)
2029  
Disclosure of detailed information about hedges [line items]  
Notes and bonds 16,141
Loans from Banks 319
Derivative financial liabilities 238
2030  
Disclosure of detailed information about hedges [line items]  
Notes and bonds 5,494
Loans from Banks 162
Derivative financial liabilities 358
2030  
Disclosure of detailed information about hedges [line items]  
Notes and bonds 18,576
Loans from Banks 37
Derivative financial liabilities 955
2031 and thereafter  
Disclosure of detailed information about hedges [line items]  
Notes and bonds 74,511
Loans from Banks 0
Derivative financial liabilities $ (1,264)