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Business Combinations and Disposals - Income Statement Information (Details) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) | [1] | Dec. 31, 2023 MXN ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2021 MXN ($)
Disclosure of detailed information about business combination [line items] |  |  |  |
Loss before income taxes of discontinued operations | $ 5,305 | $ 89,648 | $ 49,138 | $ 51,956
Valora |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Total revenues |  |  | 10,064 |
Loss before income taxes of discontinued operations |  |  | 229 |
Net loss |  |  | (72) |
Sigma Supply |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Total revenues |  |  | 5,718 |
Loss before income taxes of discontinued operations |  |  | 463 |
Net loss |  |  | 463 |
Net Pay S.A.P.I de C.V. |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Total revenues |  | 1,527 |  |
Loss before income taxes of discontinued operations |  | 2 |  |
Net loss |  | $ (11) |  |
OK Market |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Total revenues |  |  | 2,635 |
Loss before income taxes of discontinued operations |  |  | 314 |
Net loss |  |  | 204 |
Atra, Hughes, Sunbelt, H.T. Berry, and Other Smaller Acquistions |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Total revenues |  |  | 2,148 |
Loss before income taxes of discontinued operations |  |  | 115 |
Net loss |  |  | $ 115 |
Daycon, PJP, Next-Gen, Johnston Paper, And Other Smaller Acquisitons |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Total revenues |  |  |  | 2,187
Loss before income taxes of discontinued operations |  |  |  | 46
Net loss |  |  |  | $ 46
[1] | Convenience translation to U.S. dollars ($) – See Note 2.2.3

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