Financial Instruments - Summary of Sensitivity Analysis of Interest Rate Risks (Detail) - Interest Rate Risk - MXN ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure of nature and extent of risks arising from financial instruments [line items] | |||
| Change in rate | 1.00% | 1.00% | 1.00% |
| Effect on profit or (loss) | $ (204) | $ (187) | $ (203) |