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Financial Instruments - Forward Agreements to Purchase Foreign Currency (Details) - MXN ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Face amount | $ 52,369 | $ 79,088
2024 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Face amount | 10,052 |
2025 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Fair value Liability | 72 | 0
2027 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Face amount | 4,223 |
Forward contract | 2024 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Face amount | 11,449 | 10,828
Fair value Liability | (573) | (399)
Fair Value Asset | $ 36 | 61
Forward contract | 2025 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Face amount |  | 2
Fair value Liability |  | 0
Fair Value Asset |  | $ 0

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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard -URIDate 2023-03-23 + Details
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