Financial Instruments - Net Effects Of Derivative Financial Instruments That Did Not Met Hedging Criteria (Details) - MXN ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative Contract Not Met Hedging Criteria | Cross currency swaps and interest rate swaps | Market value gain on financial instruments | |||
| Disclosure of detailed information about hedges [line items] | |||
| Cross currency swaps and interest rate swaps | $ 185 | $ 938 | $ 141 |