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Earnings per Share (Details) $ / shares in Units, shares in Thousands, $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) shares | Dec. 31, 2024 MXN ($) $ / shares shares | Dec. 31, 2023 MXN ($) $ / shares shares | Dec. 31, 2022 MXN ($) $ / shares shares
Earnings per share [line items] |  |  |  |  |
Net controlling interest income allocated from continuing operations | $ 1,283 | [1] | $ 26,735 | $ 65,689 | $ 23,909
Per Series B Shares |  |  |  |  |
Earnings per share [line items] |  |  |  |  |
Weighted average number of shares for basic earnings per share (in shares) | shares | 9,194,620 |  | 9,194,620 | 9,239,730 | 9,241,720
Effect of dilution associated with non-vested shares for share based payment plans (in shares) | shares | 6,940 |  | 6,940 | 6,690 | 4,700
Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) | shares | 9,201,560 |  | 9,201,560 | 9,246,420 | 9,246,420
Dividend rights per series | 100.00% |  | 100.00% | 100.00% | 100.00%
Weighted average number of shares further adjusted to reflect dividend rights (in shares) | shares | 9,201,560 |  | 9,201,560 | 9,246,420 | 9,246,420
Basic earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | $ 1.34 | $ 1.67 | $ 1.12
Diluted earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | 1.33 | 1.67 | 1.12
Basic earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | 0.01 | 1.61 | 0.07
Diluted earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | $ 0.01 | $ 1.61 | $ 0.07
Allocation of earnings, weighted | 46.11% |  | 46.11% | 46.11% | 46.11%
Net controlling interest income allocated from continuing operations | $ |  |  | $ 12,275 | $ 15,425 | $ 10,369
Net controlling interest income allocated from discontinued operations | $ |  |  | $ 53 | $ 14,865 | $ 656
Per Series D Shares |  |  |  |  |
Earnings per share [line items] |  |  |  |  |
Weighted average number of shares for basic earnings per share (in shares) | shares | 8,437,510 |  | 8,437,510 | 8,617,940 | 8,625,920
Effect of dilution associated with non-vested shares for share based payment plans (in shares) | shares | 27,750 |  | 27,750 | 26,780 | 18,790
Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) | shares | 8,465,260 |  | 8,465,260 | 8,644,710 | 8,644,710
Dividend rights per series | 125.00% |  | 125.00% | 125.00% | 125.00%
Weighted average number of shares further adjusted to reflect dividend rights (in shares) | shares | 10,581,570 |  | 10,581,570 | 10,805,890 | 10,805,890
Basic earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | $ 1.70 | $ 2.09 | $ 1.40
Diluted earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | 1.69 | 2.09 | 1.40
Basic earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | 0.01 | 2.02 | 0.09
Diluted earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | $ 0.01 | $ 2.01 | $ 0.09
Allocation of earnings, weighted | 53.89% |  | 53.89% | 53.89% | 53.89%
Net controlling interest income allocated from continuing operations | $ |  |  | $ 14,345 | $ 18,026 | $ 12,117
Net controlling interest income allocated from discontinued operations | $ |  |  | $ 62 | $ 17,373 | $ 767
[1] | Convenience translation to U.S. dollars ($) – See Note 2.2.4

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