v3.26.1
Earnings per Share (Details)
$ / shares in Units, shares in Thousands, $ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2025
MXN ($)
$ / shares
shares
Dec. 31, 2024
MXN ($)
$ / shares
shares
Dec. 31, 2023
MXN ($)
$ / shares
shares
Earnings per share [line items]        
Net controlling interest income allocated from continuing operations $ 1,079 [1] $ 19,431 $ 26,735 $ 65,689
Per Series B Shares        
Earnings per share [line items]        
Weighted average number of shares for basic earnings per share (in shares) | shares 9,007,250 9,007,250 9,194,620 9,239,730
Effect of dilution associated with non-vested shares for share based payment plans (in shares) | shares 6,200 6,200 6,940 6,690
Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) | shares 9,013,450 9,013,450 9,201,560 9,246,420
Dividend rights per series (see Note 23.1) 100.00% 100.00% 100.00% 100.00%
Weighted average number of shares further adjusted to reflect dividend rights (in shares) | shares 9,013,450 9,013,450 9,201,560 9,246,420
Basic earnings per share from continuous operations (in pesos per share) | $ / shares   $ 0.91 $ 1.34 $ 1.67
Diluted earnings per share from continuous operations (in pesos per share) | $ / shares   0.91 1.33 1.67
Basic earnings per share from discontinued operations (in pesos per share) | $ / shares   0.08 0.01 1.61
Diluted earnings per share from discontinued operations (in pesos per share) | $ / shares   $ 0.08 $ 0.01 $ 1.61
Allocation of earnings, weighted 46.11% 46.11% 46.11% 46.11%
Net controlling interest income allocated from continuing operations | $   $ 8,234 $ 12,275 $ 15,425
Net controlling interest income allocated from discontinued operations | $   $ 726 $ 53 $ 14,865
Per Series D Shares        
Earnings per share [line items]        
Weighted average number of shares for basic earnings per share (in shares) | shares 7,688,020 7,688,020 8,437,510 8,617,940
Effect of dilution associated with non-vested shares for share based payment plans (in shares) | shares 24,800 24,800 27,750 26,780
Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) | shares 7,712,820 7,712,820 8,465,260 8,644,710
Dividend rights per series (see Note 23.1) 125.00% 125.00% 125.00% 125.00%
Weighted average number of shares further adjusted to reflect dividend rights (in shares) | shares 9,641,030 9,641,030 10,581,570 10,805,890
Basic earnings per share from continuous operations (in pesos per share) | $ / shares   $ 1.25 $ 1.70 $ 2.09
Diluted earnings per share from continuous operations (in pesos per share) | $ / shares   1.25 1.69 2.09
Basic earnings per share from discontinued operations (in pesos per share) | $ / shares   0.11 0.01 2.02
Diluted earnings per share from discontinued operations (in pesos per share) | $ / shares   $ 0.11 $ 0.01 $ 2.01
Allocation of earnings, weighted 53.89% 53.89% 53.89% 53.89%
Net controlling interest income allocated from continuing operations | $   $ 9,623 $ 14,345 $ 18,026
Net controlling interest income allocated from discontinued operations | $   $ 848 $ 62 $ 17,373
[1] Convenience translation to U.S. dollars ($) – See Note 2.2.4