Subsidiary Entities and Subsidiary Companies - Additional Information (Detail) |
12 Months Ended |
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Dec. 31, 2025 | |
| Disclosure of subsidiaries [line items] | |
| Proportion of ownership interest held | 100.00% |
| PMI CIM | |
| Disclosure of subsidiaries [line items] | |
| Proportion of voting rights held in subsidiary | 98.33% |
| COMESA | |
| Disclosure of subsidiaries [line items] | |
| Proportion of voting rights held in subsidiary | 60.00% |
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The proportion of the voting rights in a subsidiary held by the entity. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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