v3.26.1
Cover Page
 12 Months Ended
Dec. 31, 2025
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Fiscal Year Focus 2025
Document Period End Date Dec. 31, 2025
Current Fiscal Year End Date --12-31
Document Transition Report false
Document Shell Company Report false
Entity File Number 0-99
Entity Registrant Name Mexican Petroleum
Entity Incorporation, State or Country Code O5
Entity Address, Address Line One Avenida Marina Nacional No. 329
Entity Address, Address Line Two Colonia Verónica Anzures
Entity Address, Postal Zip Code 11300
Entity Address, City or Town Ciudad de México
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction false
Entity Shell Company false
Document Accounting Standard International Financial Reporting Standards
Entity Address, Country MX
Entity Central Index Key 0000932782
Document Fiscal Period Focus FY
Amendment Flag false
Business Contact  
Document Information [Line Items]  
Entity Address, Address Line One Avenida Marina Nacional No. 329 Torre Ejecutiva
Entity Address, Address Line Two Piso 38 Colonia Verónica Anzures
Entity Address, Postal Zip Code 11300
Entity Address, City or Town Ciudad de México
Contact Personnel Name Delia Cristina Arista Hernández
City Area Code 5255
Local Phone Number 9126-2940
Contact Personnel Email Address ri@pemex.com
Entity Address, Country MX