Equity - Additional Information (Detail) - MXN ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure of classes of share capital [line items] | |||
| Outstanding shares (in shares) | 16,806,658,096 | 16,806,658,096 | |
| Fixed capital stock (nominal value) per share | $ 0 | $ 0 | |
| Issued capital, ordinary shares | $ 934 | $ 934 | |
| Percentage of income to be transferred to reserve | 5.00% | ||
| Minimum percentage of capital stock at nominal value to be transferred to reserve | 20.00% | ||
| Amount in legal reserve | $ 412 | $ 412 | $ 412 |
| Balance in legal reserve fund | $ 10,061 | ||
| A | |||
| Disclosure of classes of share capital [line items] | |||
| Equity threshold percentage | 50.10% | ||
| D | |||
| Disclosure of classes of share capital [line items] | |||
| Equity threshold percentage | 49.90% | ||