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Cover Page
 12 Months Ended
Dec. 31, 2024
shares
Document Information [Line Items]  
Document Type 40-F/A
Amendment Flag false
Document Period End Date Dec. 31, 2024
Document Fiscal Year Focus 2024
Document Fiscal Period Focus FY
Entity Registrant Name TFI INTERNATIONAL INC.
Entity Central Index Key 0001588823
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Current Fiscal Year End Date --12-31
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] true
Document Financial Statement Restatement Recovery Analysis [Flag] false
Entity Common Stock, Shares Outstanding 84,408,437
Entity Emerging Growth Company false
Title of 12(b) Security Common Shares
Trading Symbol TFII
Security Exchange Name NYSE
Entity File Number 001-39224
Entity Incorporation, State or Country Code Z4
Entity Primary SIC Number 4210
Entity Address, Address Line One 8801 Trans-Canada Highway
Entity Address, Address Line Two Suite 500
Entity Address, City or Town Saint-Laurent
Entity Address, State or Province QC
Entity Address, Postal Zip Code H4S 1Z6
Entity Address, Country CA
City Area Code 514
Local Phone Number 331-4000
Document Annual Report true
Annual Information Form true
Audited Annual Financial Statements true
Document Registration Statement false
Auditor Name KPMG LLP
Auditor Firm ID 85
Auditor Location Montreal, QC, Canada
Business Contact  
Document Information [Line Items]  
Entity Address, Address Line One County of New Castle
Entity Address, Address Line Two 251 Little Falls Drive
Entity Address, City or Town Wilmington
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19808
City Area Code 866
Local Phone Number 927-9800
Contact Personnel Name Corporation Service Company