    <SEC-DOCUMENT>0001576427-26-000067-index.html : 20260629
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    <ACCEPTANCE-DATETIME>20260629160558
    ACCESSION NUMBER:		0001576427-26-000067
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		26
    CONFORMED PERIOD OF REPORT:	20260629
    ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20260629
    DATE AS OF CHANGE:		20260629

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Criteo S.A.
    		CENTRAL INDEX KEY:			0001576427
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
    		ORGANIZATION NAME:           	07 Trade & Services
    		EIN:				000000000
    		STATE OF INCORPORATION:			I0
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36153
    		FILM NUMBER:		261135748

    	BUSINESS ADDRESS:
    		STREET 1:		32 RUE BLANCHE
    		CITY:			PARIS
    		STATE:			I0
    		ZIP:			75009
    		BUSINESS PHONE:		33175850939

    	MAIL ADDRESS:
    		STREET 1:		32 RUE BLANCHE
    		CITY:			PARIS
    		STATE:			I0
    		ZIP:			75009
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>crto-20260629.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: crto-20260629.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.1
    <SEQUENCE>2
    <FILENAME>criteosa-updatedbylawsxj.htm
    <DESCRIPTION>EX-3.1
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    Document 2 - file: criteosa-updatedbylawsxj.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>crto-20260629.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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    <SEQUENCE>9
    <FILENAME>criteosa-updatedbylawsxj004.jpg
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    <SEQUENCE>11
    <FILENAME>criteosa-updatedbylawsxj006.jpg
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    <FILENAME>criteosa-updatedbylawsxj007.jpg
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    Document 12 - file: criteosa-updatedbylawsxj007.jpg

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    <FILENAME>criteosa-updatedbylawsxj008.jpg
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    Document 13 - file: criteosa-updatedbylawsxj008.jpg

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    <FILENAME>criteosa-updatedbylawsxj011.jpg
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    <FILENAME>criteosa-updatedbylawsxj013.jpg
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    <SEQUENCE>19
    <FILENAME>criteosa-updatedbylawsxj014.jpg
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    Document 19 - file: criteosa-updatedbylawsxj014.jpg

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    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
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    Document 22 - file: report.css

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    <SEQUENCE>23
    <FILENAME>Show.js
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    Document 23 - file: Show.js

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    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>FilingSummary.xml
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    Document 25 - file: FilingSummary.html

    Document 25 - RAW XML: FilingSummary.xml

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    <TYPE>JSON
    <SEQUENCE>28
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