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Business Combinations and Disposals - Acquisition Information (Details) - MXN ($) $ in Millions | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Feb. 28, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Nov. 30, 2022 | Oct. 31, 2022 | May 31, 2022 | Feb. 28, 2022 | Jan. 31, 2022
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Deductible goodwill, tax purposes, period |  |  | 15 years |  |  |  |  |  |  |  |
Goodwill arising on acquisition |  |  | $ 0 |  |  |  |  |  |  |  |
Valora |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  | 3.13% |  |  |  |  |  | 96.87% |  |  |
Business acquisition, consideration transferred |  |  |  |  |  |  |  | $ 35,055 |  |  |
Acquisition-related costs |  | $ 252 |  |  |  |  |  |  |  |  |
Net assets acquired |  |  |  |  |  |  |  | 10,182 |  |  |
Other non-current assets |  |  |  | $ 325 |  |  |  | 7,581 |  |  |
Total assets |  |  |  |  |  |  |  | 46,562 |  |  |
Goodwill arising on acquisition |  |  |  |  |  |  |  | 12,966 |  |  |
Business acquisition, consideration transferred |  | $ 673 |  |  |  |  |  | 23,148 |  |  |
Cash acquired |  |  |  |  |  |  |  | $ (1,971) |  |  |
Delek |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  | 100.00% |  |  |  |  |  |  |  |
Business acquisition, consideration transferred | $ 910 |  |  |  |  |  |  |  |  |  |
Acquisition-related costs | 61 |  |  |  |  |  |  |  |  |  |
Net assets acquired | 4,948 |  |  |  |  |  |  |  |  |  |
Other non-current assets | 1,216 |  |  |  |  |  |  |  |  |  |
Total assets | 5,857 |  |  |  |  |  |  |  |  |  |
Goodwill arising on acquisition | 2,735 |  |  |  |  |  |  |  |  |  |
Business acquisition, consideration transferred | 7,683 |  |  |  |  |  |  |  |  |  |
Cash acquired | (166) |  |  |  |  |  |  |  |  |  |
Delek | Property, plant and equipment, net |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Total assets | 3,133 |  |  |  |  |  |  |  |  |  |
Delek | Right-of-use assets |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Total assets | $ 555 |  |  |  |  |  |  |  |  |  |
Sigma Supply |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  |  |  |  |  |  |  | 100.00% |  |
Business acquisition, consideration transferred |  |  |  |  |  |  |  |  | $ 2,104 |  |
Net assets acquired |  |  |  |  |  |  |  |  | 5,247 |  |
Other non-current assets |  |  |  |  |  |  |  |  | 860 |  |
Total assets |  |  |  |  |  |  |  |  | 7,351 |  |
Goodwill arising on acquisition |  |  |  |  |  |  |  |  | 2,138 |  |
Business acquisition, consideration transferred |  |  |  |  |  |  |  |  | 7,385 |  |
Cash acquired |  |  |  |  |  |  |  |  | $ (5) |  |
CVI Refrigerants Ltda. |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  | 100.00%
Business acquisition, consideration transferred |  |  |  |  |  |  |  |  |  |  | $ 731
Net assets acquired |  |  |  |  |  |  |  |  |  |  | 1,750
Other non-current assets |  |  |  |  |  |  |  |  |  |  | 972
Total assets |  |  |  |  |  |  |  |  |  |  | 2,481
Goodwill arising on acquisition |  |  |  |  |  |  |  |  |  |  | 197
Business acquisition, consideration transferred |  |  |  |  |  |  |  |  |  |  | 1,947
Cash acquired |  |  |  |  |  |  |  |  |  |  | (104)
CVI Refrigerants Ltda. | Distribution rights |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets recognised as of acquisition date |  |  |  |  |  |  |  |  |  |  | $ 894
CVI Refrigerants Ltda. | Goodwill |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets recognised as of acquisition date |  |  |  |  |  | $ 1,923 |  |  |  |  |
Agua Cristal |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  |  |  |  |  | 100.00% |  |  |  |
Business acquisition, consideration transferred |  |  |  |  |  |  | $ 699 |  |  |  |
Agua Cristal | Distribution rights |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets recognised as of acquisition date |  |  |  |  |  | 228 |  |  |  |  |
Agua Cristal | Property, plant and equipment, net |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets recognised as of acquisition date |  |  |  |  |  | 448 |  |  |  |  |
Agua Cristal | Goodwill |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets recognised as of acquisition date |  |  |  |  |  | $ 8 |  |  |  |  |
Net Pay S.A.P.I de C.V. |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  |  |  | 100.00% |  |  |  |  |  |
Business acquisition, consideration transferred |  |  |  |  | $ 223 |  |  |  |  |  |
Net assets acquired |  |  |  |  | 504 |  |  |  |  |  |
Other non-current assets |  |  |  |  | 97 |  |  |  |  |  |
Total assets |  |  |  |  | 727 |  |  |  |  |  |
Goodwill arising on acquisition |  |  |  |  | 3,918 |  |  |  |  |  |
Business acquisition, consideration transferred |  |  |  |  | 4,422 |  |  |  |  |  |
Cash acquired |  |  |  |  | $ (39) |  |  |  |  |  |
OK Market |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |
Business acquisition, consideration transferred |  |  |  |  |  |  |  |  |  | $ 1,055 |
Net assets acquired |  |  |  |  |  |  |  |  |  | 646 |
Other non-current assets |  |  |  |  |  |  |  |  |  | 1,238 |
Total assets |  |  |  |  |  |  |  |  |  | 1,701 |
Goodwill arising on acquisition |  |  |  |  |  |  |  |  |  | 623 |
Business acquisition, consideration transferred |  |  |  |  |  |  |  |  |  | 1,269 |
Cash acquired |  |  |  |  |  |  |  |  |  | $ (6) |
Atra, Hughes, Sunbelt, H.T. Berry, and Other Smaller Acquistions |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting equity interests acquired |  |  |  |  |  | 100.00% |  |  |  |  |
Business acquisition, consideration transferred |  |  |  |  |  | $ 1,535 |  |  |  |  |
Net assets acquired |  |  |  |  |  | 2,760 |  |  |  |  |
Other non-current assets |  |  |  |  |  | 909 |  |  |  |  |
Total assets |  |  |  |  |  | 4,295 |  |  |  |  |
Goodwill arising on acquisition |  |  |  |  |  | 5,443 |  |  |  |  |
Business acquisition, consideration transferred |  |  |  |  |  | 8,203 |  |  |  |  |
Cash acquired |  |  |  |  |  | $ (85) |  |  |  |  |

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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph B64 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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- Definition The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph IE72 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph B64 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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