Equity - Summary of Dividends Declared and Paid (Detail) - MXN ($) $ / shares in Units, $ in Millions |
8 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 09, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure of dividends [Line Items] | ||||
| Dividends declared and paid | $ 12,773 | $ 12,185 | $ 11,407 | |
| Dividends declared and paid per share (Mexican Peso per Share) | $ 0.7600 | |||
| A | ||||
| Disclosure of dividends [Line Items] | ||||
| Dividends declared and paid | 6,032 | 5,754 | 5,387 | |
| D | ||||
| Disclosure of dividends [Line Items] | ||||
| Dividends declared and paid | 3,548 | 3,385 | 3,169 | |
| L | ||||
| Disclosure of dividends [Line Items] | ||||
| Dividends declared and paid | 1,996 | 1,904 | 1,782 | |
| B | ||||
| Disclosure of dividends [Line Items] | ||||
| Dividends declared and paid | $ 1,197 | $ 1,142 | $ 1,069 | |