v3.26.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2025
shares
Document and Entity Information  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2025
Document Transition Report false
Document Shell Company Report false
Securities Act File Number 033-51000
Entity Registrant Name VIDEOTRON LTEE
Entity Incorporation, State or Country Code A8
Entity Address, Address Line One 612 St. Jacques Street
Entity Address, City or Town Montréal
Entity Address, State or Province QC
Entity Address, Country CA
Entity Address, Postal Zip Code H3C 4M8
Entity Common Stock, Shares Outstanding 10,739,284.822
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers Yes
Entity Current Reporting Status No
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 [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Central Index Key 0000890746
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Amendment Flag false
Auditor Firm ID 1263
Auditor Name Ernst & Young LLP
Auditor Location Montreal, Canada