Leases - Change in the Company's Lease Liabilities (Detail) - MXN ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Presentation of leases for lessee [abstract] | ||
| Balance at beginning of the period | $ 2,521 | $ 2,135 |
| Additions | 1,046 | 586 |
| Remeasurements | 792 | 812 |
| Disposals | (417) | (277) |
| Payments | (856) | (690) |
| Foreign exchange effects | 7 | (20) |
| Effects of changes in foreign exchange rates | 91 | (25) |
| Balance at end of the period | $ 3,184 | $ 2,521 |