Other non-current financial assets - Disclosure of Detailed Information About Other Non-Current Assets (Detail) - MXN ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Other non-current assets and other non-current financial assets [Abstract] | ||
| Long-term notes receivable | $ 2,000 | $ 696 |
| Derivative financial instruments | 4,702 | 96 |
| Other non-current financial assets | $ 6,702 | $ 792 |