v3.26.1
Document and Entity Information
Jul. 29, 2026
Document Information [Line Items]  
Document Type 8-K12B
Document Period End Date Jul. 29, 2026
Entity Registrant Name CRITEO S.A.
Entity Incorporation, State or Country Code N4
Entity File Number 001-36153
Entity Address, Address Line One 5 Place de la Gare,L-1616 Luxembourg, Grand Duchy of Luxembourg
Entity Address, City or Town 5 Place de la Gare,L-1616 Luxembourg, Grand Duchy of Luxembourg
Entity Address, Country LU
Entity Address, Postal Zip Code L-1616
City Area Code 352
Local Phone Number 27866850
Written Communications true
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001576427
Amendment Flag false
Current Fiscal Year End Date --12-31
Former Address [Member]  
Document Information [Line Items]  
Entity Address, Address Line One 32 Rue Blanche
Entity Address, City or Town Paris
Entity Address, Country FR
Entity Address, Postal Zip Code 75009