v3.26.1
Cover Page - shares
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Document Information [Line Items]      
Document Type 20-F    
Amendment Flag false    
Document Period End Date Dec. 31, 2025    
Entity Registrant Name Vista Energy, S.A.B. de C.V.    
Entity Central Index Key 0001762506    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Entity File Number 001-39000    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Voluntary Filers No    
Entity Interactive Data Current Yes    
Entity Well-known Seasoned Issuer Yes    
Current Fiscal Year End Date --12-31    
Document Annual Report true    
Document Transition Report false    
Document Shell Company Report false    
Entity Shell Company false    
Entity Address, Country MX    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Incorporation, State or Country Code O5    
Entity Address, Address Line One Torre Mapfre    
Entity Address, Address Line Two 243 Paseo de la Reforma Avenue, 18th Floor    
Entity Address, Address Line Three Colonia Cuauhtémoc, Alcaldía Cuauhtémoc    
Entity Address, City or Town Mexico City    
Entity Address, Postal Zip Code 06500    
Document Registration Statement false    
Document Accounting Standard International Financial Reporting Standards    
Auditor Name Pistrelli, Henry Martin y Asociados S.A.(member of Ernst & Young GlobalLimited) Pistrelli, Henry Martin y Asociados S.A.(member of Ernst & Young GlobalLimited) Pistrelli, Henry Martin y Asociados S.A.(member of Ernst & Young GlobalLimited)
Auditor Firm ID 1449 1449 1449
Auditor Location Ciudad de Buenos Aires,Argentina Ciudad de Buenos Aires,Argentina Ciudad de Buenos Aires,Argentina
Document Financial Statement Error Correction [Flag] false    
Business Contact [Member]      
Document Information [Line Items]      
Entity Address, Country MX    
Entity Address, Address Line One Torre Mapfre    
Entity Address, Address Line Two 243 Paseo de la Reforma Avenue, 18th Floor    
Entity Address, Address Line Three Colonia Cuauhtémoc, Alcaldía Cuauhtémoc    
Entity Address, City or Town Mexico City    
Entity Address, Postal Zip Code 06500    
Contact Personnel Name Alejandro Cherñacov    
Local Phone Number 1555-7104    
City Area Code + 52 (55)    
Series A shares [Member]      
Document Information [Line Items]      
Trading Symbol VISTA    
Title of 12(b) Security Series A shares    
Security Exchange Name NYSE    
Entity Common Stock, Shares Outstanding 104,299,703    
series C shares [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding 2    
ADS [Member]      
Document Information [Line Items]      
Trading Symbol VIST    
Title of 12(b) Security American Depositary Shares, each representing 1 series A share, with no par value    
Security Exchange Name NYSE