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Financial Instruments - Hedging Reserve Rollforward (Details) - MXN ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about hedged items [line items] |  |  |  |
The amounts included in non-financial costs: |  | $ 801 | $ (355) | $ (1,158)
IFS TopCo LLC |  |  |  |
Disclosure of detailed information about hedged items [line items] |  |  |  |
Economic ownership percentage | 37.10% | 37.10% | 37.10% |
Reserve of cash flow hedges |  |  |  |
Disclosure of detailed information about hedged items [line items] |  |  |  |
Balances at beginning of the period |  | $ 956 |  |
Balances at the end of the period |  | 3,121 | $ 956 |
Reserve of cash flow hedges | Foreign exchange currency risk | Purchase of stock |  |  |  |
Disclosure of detailed information about hedged items [line items] |  |  |  |
Valuation of the effective portion of derivative financial instruments |  | 844 |  |
The amounts included in non-financial costs: |  | (98) |  |
Reserve of cash flow hedges | Foreign exchange currency risk | Other stock |  |  |  |
Disclosure of detailed information about hedged items [line items] |  |  |  |
Valuation of the effective portion of derivative financial instruments |  | 1,436 |  |
Amounts reclassified to profit an loss |  | 4,708 |  |
Reserve of cash flow hedges | Interest rate risk |  |  |  |
Disclosure of detailed information about hedged items [line items] |  |  |  |
Valuation of the effective portion of derivative financial instruments |  | (64) |  |
Amounts reclassified to profit an loss |  | (45) |  |
The amounts included in non-financial costs: |  | 133 |  |
Reserve of cash flow hedges | Commodity price risk | Purchase of stock |  |  |  |
Disclosure of detailed information about hedged items [line items] |  |  |  |
Valuation of the effective portion of derivative financial instruments |  | (4,747) |  |
The amounts included in non-financial costs: |  | $ (2) |  |

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- Definition The gains (losses) recognised in other comprehensive income on cash flow hedges, net of tax, before reclassification adjustments. [Refer: Cash flow hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_91_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 24C -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24C_b_i&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 24E -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24E_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to cash flow hedges. [Refer: Cash flow hedges [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 90 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_90&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph ab -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_ab&doctype=Standard -URIDate 2024-03-27 + Details
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