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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, 2023 USD ($) shares | Dec. 31, 2023 MXN ($) $ / shares shares | Dec. 31, 2022 MXN ($) $ / shares shares | Dec. 31, 2021 MXN ($) $ / shares shares
Earnings per share [line items] |  |  |  |  |
Net controlling interest income allocated from continuing operations | $ 3,886 | [1] | $ 65,689 | $ 23,909 | $ 28,495
Per Series B Shares |  |  |  |  |
Earnings per share [line items] |  |  |  |  |
Weighted average number of shares for basic earnings per share (in shares) | shares | 9,239,730 |  | 9,239,730 | 9,241,720 | 9,242,880
Effect of dilution associated with non-vested shares for share based payment plans (in shares) | shares | 6,690 |  | 6,690 | 4,700 | 3,540
Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) | shares | 9,246,420 |  | 9,246,420 | 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 | 9,246,420 |  | 9,246,420 | 9,246,420 | 9,246,420
Basic earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | $ 1.67 | $ 1.12 | $ 1.01
Diluted earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | 1.67 | 1.12 | 1.01
Basic earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | 1.61 | 0.07 | 0.41
Diluted earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | $ 1.61 | $ 0.07 | $ 0.41
Allocation of earnings, weighted | 46.11% |  | 46.11% | 46.11% | 46.11%
Net controlling interest income allocated from continuing operations | $ |  |  | $ 15,425 | $ 10,369 | $ 9,329
Net controlling interest income allocated from discontinued operations | $ |  |  | $ 14,865 | $ 656 | $ 3,811
Per Series D Shares |  |  |  |  |
Earnings per share [line items] |  |  |  |  |
Weighted average number of shares for basic earnings per share (in shares) | shares | 8,617,940 |  | 8,617,940 | 8,625,920 | 8,630,540
Effect of dilution associated with non-vested shares for share based payment plans (in shares) | shares | 26,780 |  | 26,780 | 18,790 | 14,170
Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) | shares | 8,644,710 |  | 8,644,710 | 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 | 10,805,890 |  | 10,805,890 | 10,805,890 | 10,805,890
Basic earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | $ 2.09 | $ 1.40 | $ 1.26
Diluted earnings per share from continuous operations (in dollars per share) | $ / shares |  |  | 2.09 | 1.40 | 1.26
Basic earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | 2.02 | 0.09 | 0.52
Diluted earnings per share from discontinued operations (in dollars per share) | $ / shares |  |  | $ 2.01 | $ 0.09 | $ 0.52
Allocation of earnings, weighted | 53.89% |  | 53.89% | 53.89% | 53.89%
Net controlling interest income allocated from continuing operations | $ |  |  | $ 18,026 | $ 12,117 | $ 10,902
Net controlling interest income allocated from discontinued operations | $ |  |  | $ 17,373 | $ 767 | $ 4,453
[1] | Convenience translation to U.S. dollars ($) – See Note 2.2.3

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