Income Taxes - Summary of Income Tax Recognized in Consolidated Statement of Other Comprehensive Income (OCI) (Detail) - MXN ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Income tax related to items charged or recognized directly in OCI during the year: | |||
| Unrealized loss (gain) on derivative financial instruments | $ 693 | $ (236) | $ (590) |
| Remeasurements of the net defined benefit liability | (318) | 24 | 173 |
| Total income tax recognized in OCI | 375 | (212) | (417) |
| Income tax related to items charged or recognized directly in OCI as of year-end: | |||
| Unrealized loss (gain) on derivative financial instruments | 455 | (241) | (13) |
| Comprehensive income to be reclassified to profit or loss in subsequent periods | 455 | (241) | (13) |
| Remeasurements of the net defined benefit liability | (524) | (153) | (205) |
| Balance of income tax in AOCI | $ (69) | $ (394) | $ (218) |