v3.26.1
Financial Instruments - Financial Assets and Liabilities Measured at Fair Value (Details) - MXN ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Level 1    
Disclosure of Financial Assets and Financial Liabilities [Line Items]    
Financial instruments (current asset) $ 157 $ 40
Financial instruments (non-current asset) 17,444 16,461
Financial instruments (current liability) 476 320
Financial instruments (non-current liability) 0 0
Level 2    
Disclosure of Financial Assets and Financial Liabilities [Line Items]    
Financial instruments (current asset) 222 1,328
Financial instruments (non-current asset) 5,865 16,907
Financial instruments (current liability) 891 8
Financial instruments (non-current liability) $ 6,651 $ 4,625