v3.26.1
Bank Loans and Notes Payable - Rollforward, Liabilities Arising from Financing Activities (Details) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Beginning balance $ 256,299 $ 232,897 $ 285,058
Acquisitions 0 1,984 51
New leases 15,333 17,520 20,698
Foreign exchange income (loss) (10,386) 21,425 (18,107)
Other 10,856 7,305 (6,449)
Ending balance 257,557 256,299 232,897
Aggregate continuing and discontinued operations      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Cash Flows (14,545) (24,832) (48,354)
Total Liabilities From Financing Activities      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Beginning balance 148,204 136,824 191,741
Acquisitions 0 1,510 3
New leases 0 0 0
Foreign exchange income (loss) (10,584) 17,430 (16,216)
Other 530 (2,403) (6,521)
Ending balance 147,666 148,204 136,824
Total Liabilities From Financing Activities | Aggregate continuing and discontinued operations      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Cash Flows 9,516 (5,157) (32,183)
Bank loans      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Beginning balance 13,088 10,518 12,893
Acquisitions 0 0 3
New leases 0 0 0
Foreign exchange income (loss) (336) 504 (852)
Other (3,989) (39) 0
Ending balance 10,146 13,088 10,518
Bank loans | Aggregate continuing and discontinued operations      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Cash Flows 1,383 2,105 (1,526)
Notes payable      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Beginning balance 135,116 126,306 178,848
Acquisitions 0 1,510 0
New leases 0 0 0
Foreign exchange income (loss) (10,248) 16,926 (15,364)
Other 4,519 (2,364) (6,521)
Ending balance 137,520 135,116 126,306
Notes payable | Aggregate continuing and discontinued operations      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Cash Flows 8,133 (7,262) (30,657)
Lease liabilities      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Beginning balance 108,095 96,073 93,317
Acquisitions 0 474 48
New leases 15,333 17,520 20,698
Foreign exchange income (loss) 198 3,995 (1,891)
Other 10,326 9,708 72
Ending balance 109,891 108,095 96,073
Lease liabilities | Aggregate continuing and discontinued operations      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Cash Flows $ (24,061) $ (19,675) $ (16,171)