Other Liabilities, Provisions and Commitments - Summary of Nature and Amount of Loss Contingencies Recorded (Detail) - MXN ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|---|---|
| Disclosure of other provisions [line items] | ||||
| Total | $ 2,788 | $ 3,270 | ||
| Taxes | ||||
| Disclosure of other provisions [line items] | ||||
| Total | 940 | 1,348 | $ 1,823 | $ 2,066 |
| Labor | ||||
| Disclosure of other provisions [line items] | ||||
| Total | 1,180 | 1,308 | 1,385 | 1,472 |
| Legal | ||||
| Disclosure of other provisions [line items] | ||||
| Total | $ 668 | $ 614 | $ 679 | $ 612 |