| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.24.1 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 1087 </ContextCount> |
| <ElementCount> 542 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 214 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 7 </UnitCount> |
| <MyReports> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 00000 - Document - Cover page </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Coverpage </Role> |
| | | <ShortName> Cover page </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 00010 - Statement - Consolidated statements of financial position </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Consolidatedstatementsoffinancialposition </Role> |
| | | <ShortName> Consolidated statements of financial position </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 00020 - Statement - Consolidated statements of profit or loss </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Consolidatedstatementsofprofitorloss </Role> |
| | | <ShortName> Consolidated statements of profit or loss </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 00030 - Statement - Consolidated statements of other comprehensive income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Consolidatedstatementsofothercomprehensiveincome </Role> |
| | | <ShortName> Consolidated statements of other comprehensive income </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 00040 - Statement - Consolidated statements of changes in equity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Consolidatedstatementsofchangesinequity </Role> |
| | | <ShortName> Consolidated statements of changes in equity </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 00050 - Statement - Consolidated statements of cash flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Consolidatedstatementsofcashflows </Role> |
| | | <ShortName> Consolidated statements of cash flows </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 10100 - Disclosure - Operational context </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Operationalcontext </Role> |
| | | <ShortName> Operational context </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 10200 - Disclosure - List of direct and indirect subsidiaries </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Listofdirectandindirectsubsidiaries </Role> |
| | | <ShortName> List of direct and indirect subsidiaries </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 10300 - Disclosure - Basis of accounting </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Basisofaccounting </Role> |
| | | <ShortName> Basis of accounting </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 10400 - Disclosure - Functional and presentation currency </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Functionalandpresentationcurrency </Role> |
| | | <ShortName> Functional and presentation currency </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 10500 - Disclosure - Use of judgments and estimates </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Useofjudgmentsandestimates </Role> |
| | | <ShortName> Use of judgments and estimates </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 10600 - Disclosure - Changes in material accounting policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Changesinmaterialaccountingpolicies </Role> |
| | | <ShortName> Changes in material accounting policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 10700 - Disclosure - Basis of measurement </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Basisofmeasurement </Role> |
| | | <ShortName> Basis of measurement </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 10800 - Disclosure - Material accounting policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Materialaccountingpolicies </Role> |
| | | <ShortName> Material accounting policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 10900 - Disclosure - Business combination </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Businesscombination </Role> |
| | | <ShortName> Business combination </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 11000 - Disclosure - Cash and cash equivalents and financial investments </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Cashandcashequivalentsandfinancialinvestments </Role> |
| | | <ShortName> Cash and cash equivalents and financial investments </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 11100 - Disclosure - Trade receivables and contract assets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Tradereceivablesandcontractassets </Role> |
| | | <ShortName> Trade receivables and contract assets </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 11300 - Disclosure - Property, plant and equipment </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Propertyplantandequipment </Role> |
| | | <ShortName> Property, plant and equipment </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 11400 - Disclosure - Intangible assets and goodwill </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Intangibleassetsandgoodwill </Role> |
| | | <ShortName> Intangible assets and goodwill </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 11500 - Disclosure - Leases </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Leases </Role> |
| | | <ShortName> Leases </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 11600 - Disclosure - Loans and borrowings (restated) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Loansandborrowingsrestated </Role> |
| | | <ShortName> Loans and borrowings (restated) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 11700 - Disclosure - Salaries and welfare charges </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Salariesandwelfarecharges </Role> |
| | | <ShortName> Salaries and welfare charges </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 11800 - Disclosure - Accounts payable for business acquired </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Accountspayableforbusinessacquired </Role> |
| | | <ShortName> Accounts payable for business acquired </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 11900 - Disclosure - Provisions, judicial deposits and restricted cash - escrow account and indemnity asset </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Provisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityasset </Role> |
| | | <ShortName> Provisions, judicial deposits and restricted cash - escrow account and indemnity asset </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 12000 - Disclosure - Employee benefits </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Employeebenefits </Role> |
| | | <ShortName> Employee benefits </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 12100 - Disclosure - Share-based payment arrangements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Sharebasedpaymentarrangements </Role> |
| | | <ShortName> Share-based payment arrangements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 12200 - Disclosure - Equity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Equity </Role> |
| | | <ShortName> Equity </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 12300 - Disclosure - Net revenue </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Netrevenue </Role> |
| | | <ShortName> Net revenue </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 12400 - Disclosure - Expenses by nature </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Expensesbynature </Role> |
| | | <ShortName> Expenses by nature </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 12500 - Disclosure - Net finance costs </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Netfinancecosts </Role> |
| | | <ShortName> Net finance costs </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 12600 - Disclosure - Income tax and social contribution (restated) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Incometaxandsocialcontributionrestated </Role> |
| | | <ShortName> Income tax and social contribution (restated) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 12700 - Disclosure - Earnings per share (restated) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Earningspersharerestated </Role> |
| | | <ShortName> Earnings per share (restated) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 12800 - Disclosure - Financial instruments - Fair values and risk management </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagement </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 12900 - Disclosure - Related parties </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Relatedparties </Role> |
| | | <ShortName> Related parties </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 13000 - Disclosure - Operating segments </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Operatingsegments </Role> |
| | | <ShortName> Operating segments </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 13010 - Disclosure - Correction of errors </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Correctionoferrors </Role> |
| | | <ShortName> Correction of errors </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 13100 - Disclosure - Subsequent events </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/Subsequentevents </Role> |
| | | <ShortName> Subsequent events </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 20800 - Disclosure - Material accounting policies (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/MaterialaccountingpoliciesPolicies </Role> |
| | | <ShortName> Material accounting policies (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 30200 - Disclosure - List of direct and indirect subsidiaries (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ListofdirectandindirectsubsidiariesTables </Role> |
| | | <ShortName> List of direct and indirect subsidiaries (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Listofdirectandindirectsubsidiaries </ParentRole> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 30800 - Disclosure - Material accounting policies (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/MaterialaccountingpoliciesTables </Role> |
| | | <ShortName> Material accounting policies (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Materialaccountingpolicies </ParentRole> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 30900 - Disclosure - Business combination (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/BusinesscombinationTables </Role> |
| | | <ShortName> Business combination (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Businesscombination </ParentRole> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 31000 - Disclosure - Cash and cash equivalents and financial investments (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CashandcashequivalentsandfinancialinvestmentsTables </Role> |
| | | <ShortName> Cash and cash equivalents and financial investments (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Cashandcashequivalentsandfinancialinvestments </ParentRole> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 31100 - Disclosure - Trade receivables and contract assets (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </Role> |
| | | <ShortName> Trade receivables and contract assets (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Tradereceivablesandcontractassets </ParentRole> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 31300 - Disclosure - Property, plant and equipment (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/PropertyplantandequipmentTables </Role> |
| | | <ShortName> Property, plant and equipment (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Propertyplantandequipment </ParentRole> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 31400 - Disclosure - Intangible assets and goodwill (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IntangibleassetsandgoodwillTables </Role> |
| | | <ShortName> Intangible assets and goodwill (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Intangibleassetsandgoodwill </ParentRole> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 31500 - Disclosure - Leases (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LeasesTables </Role> |
| | | <ShortName> Leases (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Leases </ParentRole> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 31600 - Disclosure - Loans and borrowings (restated) (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LoansandborrowingsrestatedTables </Role> |
| | | <ShortName> Loans and borrowings (restated) (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Loansandborrowingsrestated </ParentRole> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 31700 - Disclosure - Salaries and welfare charges (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SalariesandwelfarechargesTables </Role> |
| | | <ShortName> Salaries and welfare charges (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Salariesandwelfarecharges </ParentRole> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 31800 - Disclosure - Accounts payable for business acquired (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/AccountspayableforbusinessacquiredTables </Role> |
| | | <ShortName> Accounts payable for business acquired (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Accountspayableforbusinessacquired </ParentRole> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 31900 - Disclosure - Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetTables </Role> |
| | | <ShortName> Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Provisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityasset </ParentRole> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 32100 - Disclosure - Share-based payment arrangements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SharebasedpaymentarrangementsTables </Role> |
| | | <ShortName> Share-based payment arrangements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Sharebasedpaymentarrangements </ParentRole> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 32200 - Disclosure - Equity (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EquityTables </Role> |
| | | <ShortName> Equity (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Equity </ParentRole> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 32300 - Disclosure - Net revenue (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetrevenueTables </Role> |
| | | <ShortName> Net revenue (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Netrevenue </ParentRole> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 32400 - Disclosure - Expenses by nature (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ExpensesbynatureTables </Role> |
| | | <ShortName> Expenses by nature (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Expensesbynature </ParentRole> |
| | | <Position> 54 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 32500 - Disclosure - Net finance costs (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetfinancecostsTables </Role> |
| | | <ShortName> Net finance costs (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Netfinancecosts </ParentRole> |
| | | <Position> 55 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 32600 - Disclosure - Income tax and social contribution (restated) (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedTables </Role> |
| | | <ShortName> Income tax and social contribution (restated) (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Incometaxandsocialcontributionrestated </ParentRole> |
| | | <Position> 56 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 32700 - Disclosure - Earnings per share (restated) (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EarningspersharerestatedTables </Role> |
| | | <ShortName> Earnings per share (restated) (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Earningspersharerestated </ParentRole> |
| | | <Position> 57 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 32800 - Disclosure - Financial instruments - Fair values and risk management (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagement </ParentRole> |
| | | <Position> 58 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 33000 - Disclosure - Operating segments (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/OperatingsegmentsTables </Role> |
| | | <ShortName> Operating segments (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Operatingsegments </ParentRole> |
| | | <Position> 59 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R60.htm </HtmlFileName> |
| | | <LongName> 34000 - Disclosure - Correction of errors (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsTables </Role> |
| | | <ShortName> Correction of errors (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Correctionoferrors </ParentRole> |
| | | <Position> 60 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R61.htm </HtmlFileName> |
| | | <LongName> 40200 - Disclosure - List of direct and indirect subsidiaries (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ListofdirectandindirectsubsidiariesDetails </Role> |
| | | <ShortName> List of direct and indirect subsidiaries (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ListofdirectandindirectsubsidiariesTables </ParentRole> |
| | | <Position> 61 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R62.htm </HtmlFileName> |
| | | <LongName> 40201 - Disclosure - List of direct and indirect subsidiaries (Details 1 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ListofdirectandindirectsubsidiariesDetails1Textuals </Role> |
| | | <ShortName> List of direct and indirect subsidiaries (Details 1 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ListofdirectandindirectsubsidiariesTables </ParentRole> |
| | | <Position> 62 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R63.htm </HtmlFileName> |
| | | <LongName> 40800 - Disclosure - Material accounting policies (Details ) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/MaterialaccountingpoliciesDetails </Role> |
| | | <ShortName> Material accounting policies (Details ) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/MaterialaccountingpoliciesTables </ParentRole> |
| | | <Position> 63 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R64.htm </HtmlFileName> |
| | | <LongName> 40801 - Disclosure - Material accounting policies (Details 1 ) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/MaterialaccountingpoliciesDetails1 </Role> |
| | | <ShortName> Material accounting policies (Details 1 ) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/MaterialaccountingpoliciesTables </ParentRole> |
| | | <Position> 64 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R65.htm </HtmlFileName> |
| | | <LongName> 40802 - Disclosure - Material accounting policies (Details 1 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/MaterialaccountingpoliciesDetails1Textuals </Role> |
| | | <ShortName> Material accounting policies (Details 1 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/MaterialaccountingpoliciesTables </ParentRole> |
| | | <Position> 65 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R66.htm </HtmlFileName> |
| | | <LongName> 40901 - Disclosure - Business combination (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/BusinesscombinationDetails </Role> |
| | | <ShortName> Business combination (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/BusinesscombinationTables </ParentRole> |
| | | <Position> 66 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R67.htm </HtmlFileName> |
| | | <LongName> 41000 - Disclosure - Cash and cash equivalents and financial investments (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CashandcashequivalentsandfinancialinvestmentsDetails </Role> |
| | | <ShortName> Cash and cash equivalents and financial investments (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CashandcashequivalentsandfinancialinvestmentsTables </ParentRole> |
| | | <Position> 67 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R68.htm </HtmlFileName> |
| | | <LongName> 41002 - Disclosure - Cash and cash equivalents and financial investments (Details 1 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CashandcashequivalentsandfinancialinvestmentsDetails1Textuals </Role> |
| | | <ShortName> Cash and cash equivalents and financial investments (Details 1 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CashandcashequivalentsandfinancialinvestmentsTables </ParentRole> |
| | | <Position> 68 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R69.htm </HtmlFileName> |
| | | <LongName> 41100 - Disclosure - Trade receivables and contract assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsDetails </Role> |
| | | <ShortName> Trade receivables and contract assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </ParentRole> |
| | | <Position> 69 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R70.htm </HtmlFileName> |
| | | <LongName> 41101 - Disclosure - Trade receivables and contract assets (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsDetails1 </Role> |
| | | <ShortName> Trade receivables and contract assets (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </ParentRole> |
| | | <Position> 70 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R71.htm </HtmlFileName> |
| | | <LongName> 41102 - Disclosure - Trade receivables and contract assets (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsDetails2 </Role> |
| | | <ShortName> Trade receivables and contract assets (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </ParentRole> |
| | | <Position> 71 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R72.htm </HtmlFileName> |
| | | <LongName> 41103 - Disclosure - Trade receivables and contract assets (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsDetails3 </Role> |
| | | <ShortName> Trade receivables and contract assets (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </ParentRole> |
| | | <Position> 72 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R73.htm </HtmlFileName> |
| | | <LongName> 41200 - Disclosure - Trade receivables and contract assets (Details 4) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsDetails4 </Role> |
| | | <ShortName> Trade receivables and contract assets (Details 4) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </ParentRole> |
| | | <Position> 73 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R74.htm </HtmlFileName> |
| | | <LongName> 41201 - Disclosure - Trade receivables and contract assets (Details 4 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/TradereceivablesandcontractassetsDetails4Textuals </Role> |
| | | <ShortName> Trade receivables and contract assets (Details 4 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/TradereceivablesandcontractassetsTables </ParentRole> |
| | | <Position> 74 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R75.htm </HtmlFileName> |
| | | <LongName> 41300 - Disclosure - Other assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/OtherassetsDetails </Role> |
| | | <ShortName> Other assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 75 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R76.htm </HtmlFileName> |
| | | <LongName> 41400 - Disclosure - Property, plant and equipment (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/PropertyplantandequipmentDetails </Role> |
| | | <ShortName> Property, plant and equipment (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/PropertyplantandequipmentTables </ParentRole> |
| | | <Position> 76 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R77.htm </HtmlFileName> |
| | | <LongName> 41401 - Disclosure - Property, plant and equipment (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/PropertyplantandequipmentDetails1 </Role> |
| | | <ShortName> Property, plant and equipment (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/PropertyplantandequipmentTables </ParentRole> |
| | | <Position> 77 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R78.htm </HtmlFileName> |
| | | <LongName> 41402 - Disclosure - Intangible assets and goodwill (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IntangibleassetsandgoodwillDetails </Role> |
| | | <ShortName> Intangible assets and goodwill (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IntangibleassetsandgoodwillTables </ParentRole> |
| | | <Position> 78 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R79.htm </HtmlFileName> |
| | | <LongName> 41404 - Disclosure - Intangible assets and goodwill (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IntangibleassetsandgoodwillDetails2 </Role> |
| | | <ShortName> Intangible assets and goodwill (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IntangibleassetsandgoodwillTables </ParentRole> |
| | | <Position> 79 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R80.htm </HtmlFileName> |
| | | <LongName> 41405 - Disclosure - Intangible assets and goodwill (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IntangibleassetsandgoodwillDetails3 </Role> |
| | | <ShortName> Intangible assets and goodwill (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IntangibleassetsandgoodwillTables </ParentRole> |
| | | <Position> 80 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R81.htm </HtmlFileName> |
| | | <LongName> 41500 - Disclosure - Intangible assets and goodwill (Details 4 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IntangibleassetsandgoodwillDetails4Textuals </Role> |
| | | <ShortName> Intangible assets and goodwill (Details 4 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IntangibleassetsandgoodwillTables </ParentRole> |
| | | <Position> 81 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R82.htm </HtmlFileName> |
| | | <LongName> 41501 - Disclosure - Intangible assets and goodwill (Details 5 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IntangibleassetsandgoodwillDetails5Textuals </Role> |
| | | <ShortName> Intangible assets and goodwill (Details 5 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IntangibleassetsandgoodwillTables </ParentRole> |
| | | <Position> 82 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R83.htm </HtmlFileName> |
| | | <LongName> 41502 - Disclosure - Leases (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LeasesDetails </Role> |
| | | <ShortName> Leases (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LeasesTables </ParentRole> |
| | | <Position> 83 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R84.htm </HtmlFileName> |
| | | <LongName> 41503 - Disclosure - Leases (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LeasesDetails1 </Role> |
| | | <ShortName> Leases (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LeasesTables </ParentRole> |
| | | <Position> 84 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R85.htm </HtmlFileName> |
| | | <LongName> 41600 - Disclosure - Leases (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LeasesDetails2 </Role> |
| | | <ShortName> Leases (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LeasesTables </ParentRole> |
| | | <Position> 85 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R86.htm </HtmlFileName> |
| | | <LongName> 41601 - Disclosure - Leases (Details 3 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LeasesDetails3Textuals </Role> |
| | | <ShortName> Leases (Details 3 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LeasesTables </ParentRole> |
| | | <Position> 86 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R87.htm </HtmlFileName> |
| | | <LongName> 41602 - Disclosure - Loans and borrowings (restated) (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LoansandborrowingsrestatedDetails </Role> |
| | | <ShortName> Loans and borrowings (restated) (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LoansandborrowingsrestatedTables </ParentRole> |
| | | <Position> 87 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R88.htm </HtmlFileName> |
| | | <LongName> 41603 - Disclosure - Loans and borrowings (restated) (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LoansandborrowingsrestatedDetails1 </Role> |
| | | <ShortName> Loans and borrowings (restated) (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LoansandborrowingsrestatedTables </ParentRole> |
| | | <Position> 88 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R89.htm </HtmlFileName> |
| | | <LongName> 41604 - Disclosure - Loans and borrowings (restated) (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LoansandborrowingsrestatedDetails2 </Role> |
| | | <ShortName> Loans and borrowings (restated) (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LoansandborrowingsrestatedTables </ParentRole> |
| | | <Position> 89 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R90.htm </HtmlFileName> |
| | | <LongName> 41700 - Disclosure - Loans and borrowings (restated) (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/LoansandborrowingsrestatedDetails3 </Role> |
| | | <ShortName> Loans and borrowings (restated) (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/LoansandborrowingsrestatedTables </ParentRole> |
| | | <Position> 90 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R91.htm </HtmlFileName> |
| | | <LongName> 41800 - Disclosure - Salaries and welfare charges (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SalariesandwelfarechargesDetails </Role> |
| | | <ShortName> Salaries and welfare charges (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/SalariesandwelfarechargesTables </ParentRole> |
| | | <Position> 91 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R92.htm </HtmlFileName> |
| | | <LongName> 41802 - Disclosure - Accounts payable for business acquired (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/AccountspayableforbusinessacquiredDetails </Role> |
| | | <ShortName> Accounts payable for business acquired (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/AccountspayableforbusinessacquiredTables </ParentRole> |
| | | <Position> 92 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R93.htm </HtmlFileName> |
| | | <LongName> 41900 - Disclosure - Accounts payable for business acquired (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/AccountspayableforbusinessacquiredDetails1 </Role> |
| | | <ShortName> Accounts payable for business acquired (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/AccountspayableforbusinessacquiredTables </ParentRole> |
| | | <Position> 93 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R94.htm </HtmlFileName> |
| | | <LongName> 42000 - Disclosure - Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetDetails </Role> |
| | | <ShortName> Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetTables </ParentRole> |
| | | <Position> 94 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R95.htm </HtmlFileName> |
| | | <LongName> 42050 - Disclosure - Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetDetails1 </Role> |
| | | <ShortName> Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetTables </ParentRole> |
| | | <Position> 95 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R96.htm </HtmlFileName> |
| | | <LongName> 42100 - Disclosure - Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Details 1 - Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetDetails1Textual </Role> |
| | | <ShortName> Provisions, judicial deposits and restricted cash - escrow account and indemnity asset (Details 1 - Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ProvisionsjudicialdepositsandrestrictedcashescrowaccountandindemnityassetTables </ParentRole> |
| | | <Position> 96 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R97.htm </HtmlFileName> |
| | | <LongName> 42101 - Disclosure - Employee benefits (Details - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EmployeebenefitsDetailsTextuals </Role> |
| | | <ShortName> Employee benefits (Details - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Employeebenefits </ParentRole> |
| | | <Position> 97 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R98.htm </HtmlFileName> |
| | | <LongName> 42102 - Disclosure - Share-based payment arrangements - Key terms and conditions related to the grants (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SharebasedpaymentarrangementsKeytermsandconditionsrelatedtothegrantsDetails </Role> |
| | | <ShortName> Share-based payment arrangements - Key terms and conditions related to the grants (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 98 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R99.htm </HtmlFileName> |
| | | <LongName> 42103 - Disclosure - Share-based payment arrangements - Measurement of fair values (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SharebasedpaymentarrangementsMeasurementoffairvaluesDetails1 </Role> |
| | | <ShortName> Share-based payment arrangements - Measurement of fair values (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 99 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R100.htm </HtmlFileName> |
| | | <LongName> 42104 - Disclosure - Share-based payment arrangements - Reconciliation of outstanding share options and RSUs (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SharebasedpaymentarrangementsReconciliationofoutstandingshareoptionsandRSUsDetails2 </Role> |
| | | <ShortName> Share-based payment arrangements - Reconciliation of outstanding share options and RSUs (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 100 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R101.htm </HtmlFileName> |
| | | <LongName> 42200 - Disclosure - Share-based payment arrangements (Details - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SharebasedpaymentarrangementsDetailsTextuals </Role> |
| | | <ShortName> Share-based payment arrangements (Details - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/SharebasedpaymentarrangementsTables </ParentRole> |
| | | <Position> 101 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R102.htm </HtmlFileName> |
| | | <LongName> 42202 - Disclosure - Equity (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EquityDetails </Role> |
| | | <ShortName> Equity (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/EquityTables </ParentRole> |
| | | <Position> 102 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R103.htm </HtmlFileName> |
| | | <LongName> 42301 - Disclosure - Equity (Details 2 - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EquityDetails2Textuals </Role> |
| | | <ShortName> Equity (Details 2 - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/EquityTables </ParentRole> |
| | | <Position> 103 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R104.htm </HtmlFileName> |
| | | <LongName> 42302 - Disclosure - Net revenue (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetrevenueDetails </Role> |
| | | <ShortName> Net revenue (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/NetrevenueTables </ParentRole> |
| | | <Position> 104 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R105.htm </HtmlFileName> |
| | | <LongName> 42303 - Disclosure - Net revenue (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetrevenueDetails1 </Role> |
| | | <ShortName> Net revenue (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/NetrevenueTables </ParentRole> |
| | | <Position> 105 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R106.htm </HtmlFileName> |
| | | <LongName> 42304 - Disclosure - Net revenue (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetrevenueDetails2 </Role> |
| | | <ShortName> Net revenue (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/NetrevenueTables </ParentRole> |
| | | <Position> 106 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R107.htm </HtmlFileName> |
| | | <LongName> 42305 - Disclosure - Net revenue (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetrevenueDetails3 </Role> |
| | | <ShortName> Net revenue (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/NetrevenueTables </ParentRole> |
| | | <Position> 107 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R108.htm </HtmlFileName> |
| | | <LongName> 42306 - Disclosure - Net Revenue (Details - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetRevenueDetailsTextuals </Role> |
| | | <ShortName> Net Revenue (Details - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 108 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R109.htm </HtmlFileName> |
| | | <LongName> 42400 - Disclosure - Expenses by nature (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ExpensesbynatureDetails </Role> |
| | | <ShortName> Expenses by nature (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ExpensesbynatureTables </ParentRole> |
| | | <Position> 109 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R110.htm </HtmlFileName> |
| | | <LongName> 42401 - Disclosure - Expenses by nature (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ExpensesbynatureDetails1 </Role> |
| | | <ShortName> Expenses by nature (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ExpensesbynatureTables </ParentRole> |
| | | <Position> 110 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R111.htm </HtmlFileName> |
| | | <LongName> 42402 - Disclosure - Expenses by nature (Details 2 - Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/ExpensesbynatureDetails2Textual </Role> |
| | | <ShortName> Expenses by nature (Details 2 - Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/ExpensesbynatureTables </ParentRole> |
| | | <Position> 111 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R112.htm </HtmlFileName> |
| | | <LongName> 42500 - Disclosure - Net finance costs (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/NetfinancecostsDetails </Role> |
| | | <ShortName> Net finance costs (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/NetfinancecostsTables </ParentRole> |
| | | <Position> 112 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R113.htm </HtmlFileName> |
| | | <LongName> 42600 - Disclosure - Income tax and social contribution (restated) (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedDetails </Role> |
| | | <ShortName> Income tax and social contribution (restated) (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedTables </ParentRole> |
| | | <Position> 113 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R114.htm </HtmlFileName> |
| | | <LongName> 42601 - Disclosure - Income tax and social contribution (restated) (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedDetails1 </Role> |
| | | <ShortName> Income tax and social contribution (restated) (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedTables </ParentRole> |
| | | <Position> 114 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R115.htm </HtmlFileName> |
| | | <LongName> 42602 - Disclosure - Income tax and social contribution (restated) (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedDetails2 </Role> |
| | | <ShortName> Income tax and social contribution (restated) (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedTables </ParentRole> |
| | | <Position> 115 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R116.htm </HtmlFileName> |
| | | <LongName> 42603 - Disclosure - Income tax and social contribution (restated) (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedDetails3 </Role> |
| | | <ShortName> Income tax and social contribution (restated) (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedTables </ParentRole> |
| | | <Position> 116 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R117.htm </HtmlFileName> |
| | | <LongName> 42604 - Disclosure - Income tax and social contribution (restated) (Details 4 - Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedDetails4Textual </Role> |
| | | <ShortName> Income tax and social contribution (restated) (Details 4 - Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/IncometaxandsocialcontributionrestatedTables </ParentRole> |
| | | <Position> 117 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R118.htm </HtmlFileName> |
| | | <LongName> 42700 - Disclosure - Earnings per share (restated) (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EarningspersharerestatedDetails </Role> |
| | | <ShortName> Earnings per share (restated) (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/EarningspersharerestatedTables </ParentRole> |
| | | <Position> 118 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R119.htm </HtmlFileName> |
| | | <LongName> 42701 - Disclosure - Earnings per share (restated) (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/EarningspersharerestatedDetails1 </Role> |
| | | <ShortName> Earnings per share (restated) (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/EarningspersharerestatedTables </ParentRole> |
| | | <Position> 119 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R120.htm </HtmlFileName> |
| | | <LongName> 42800 - Disclosure - Financial instruments - Fair values and risk management (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 120 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R121.htm </HtmlFileName> |
| | | <LongName> 42801 - Disclosure - Financial instruments - Fair values and risk management (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails1 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 121 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R122.htm </HtmlFileName> |
| | | <LongName> 42802 - Disclosure - Financial instruments - Fair values and risk management (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails2 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 122 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R123.htm </HtmlFileName> |
| | | <LongName> 42804 - Disclosure - Financial instruments - Fair values and risk management (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails3 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 123 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R124.htm </HtmlFileName> |
| | | <LongName> 42805 - Disclosure - Financial instruments - Fair values and risk management (Details 4) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails4 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 4) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 124 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R125.htm </HtmlFileName> |
| | | <LongName> 42806 - Disclosure - Financial instruments - Fair values and risk management (Details 5) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails5 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 5) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 125 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R126.htm </HtmlFileName> |
| | | <LongName> 42807 - Disclosure - Financial instruments - Fair values and risk management (Details 6) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails6 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 6) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 126 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R127.htm </HtmlFileName> |
| | | <LongName> 42808 - Disclosure - Financial instruments - Fair values and risk management (Details 7) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails7 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 7) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 127 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R128.htm </HtmlFileName> |
| | | <LongName> 42809 - Disclosure - Financial instruments - Fair values and risk management (Details 8) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails8 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 8) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 128 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R129.htm </HtmlFileName> |
| | | <LongName> 42810 - Disclosure - Financial instruments - Fair values and risk management (Details 9) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails9 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 9) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 129 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R130.htm </HtmlFileName> |
| | | <LongName> 428111 - Disclosure - Financial instruments - Fair values and risk management (Details 10) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails10 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 10) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 130 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R131.htm </HtmlFileName> |
| | | <LongName> 42813 - Disclosure - Financial instruments - Fair values and risk management (Details 11 - Textuals 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementDetails11Textuals1 </Role> |
| | | <ShortName> Financial instruments - Fair values and risk management (Details 11 - Textuals 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/FinancialinstrumentsFairvaluesandriskmanagementTables </ParentRole> |
| | | <Position> 131 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R132.htm </HtmlFileName> |
| | | <LongName> 42900 - Disclosure - Related parties (Details - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/RelatedpartiesDetailsTextuals </Role> |
| | | <ShortName> Related parties (Details - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Relatedparties </ParentRole> |
| | | <Position> 132 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R133.htm </HtmlFileName> |
| | | <LongName> 43002 - Disclosure - Operating segments (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/OperatingsegmentsDetails2 </Role> |
| | | <ShortName> Operating segments (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/OperatingsegmentsTables </ParentRole> |
| | | <Position> 133 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R134.htm </HtmlFileName> |
| | | <LongName> 43100 - Disclosure - Correction of errors (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsDetails </Role> |
| | | <ShortName> Correction of errors (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CorrectionoferrorsTables </ParentRole> |
| | | <Position> 134 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R135.htm </HtmlFileName> |
| | | <LongName> 43120 - Disclosure - Correction of errors (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsDetails1 </Role> |
| | | <ShortName> Correction of errors (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CorrectionoferrorsTables </ParentRole> |
| | | <Position> 135 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R136.htm </HtmlFileName> |
| | | <LongName> 43130 - Disclosure - Correction of errors (Details 2) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsDetails2 </Role> |
| | | <ShortName> Correction of errors (Details 2) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CorrectionoferrorsTables </ParentRole> |
| | | <Position> 136 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R137.htm </HtmlFileName> |
| | | <LongName> 43140 - Disclosure - Correction of errors (Details 3) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsDetails3 </Role> |
| | | <ShortName> Correction of errors (Details 3) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CorrectionoferrorsTables </ParentRole> |
| | | <Position> 137 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R138.htm </HtmlFileName> |
| | | <LongName> 43150 - Disclosure - Correction of errors (Details 4) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsDetails4 </Role> |
| | | <ShortName> Correction of errors (Details 4) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CorrectionoferrorsTables </ParentRole> |
| | | <Position> 138 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R139.htm </HtmlFileName> |
| | | <LongName> 43160 - Disclosure - Correction of errors (Details 5) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/CorrectionoferrorsDetails5 </Role> |
| | | <ShortName> Correction of errors (Details 5) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/CorrectionoferrorsTables </ParentRole> |
| | | <Position> 139 </Position> |
| | | </Report> |
| | <Report instance="cint-20231231.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R140.htm </HtmlFileName> |
| | | <LongName> 43200 - Disclosure - Subsequent events (Details - Textuals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.ciandt.com/role/SubsequenteventsDetailsTextuals </Role> |
| | | <ShortName> Subsequent events (Details - Textuals) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.ciandt.com/role/Subsequentevents </ParentRole> |
| | | <Position> 140 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <Logs> |
| | <Log type="Warning"> [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 3 fact(s) appearing in ix:hidden were eligible for transformation: cint:VestingConditionsOfShareBasedPaymentArrangement, dei:CurrentFiscalYearEndDate - cint-20231231.htm 5, 6, 11 </Log> |
| | </Logs> |
| <InputFiles> |
| | <File doctype="20-F" isDefinitelyFs="true" isIfrs="true" original="cint-20231231.htm"> cint-20231231.htm </File> |
| | <File> cint-20231231.xsd </File> |
| | <File> cint-20231231_cal.xml </File> |
| | <File> cint-20231231_def.xml </File> |
| | <File> cint-20231231_lab.xml </File> |
| | <File> cint-20231231_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles> |
| | <File> img3c9569be729b44fab086.jpg </File> |
| | <File> img9966f5e050c745a2b10b.jpg </File> |
| | </SupplementalFiles> |
| <BaseTaxonomies> |
| | <BaseTaxonomy items="46"> http://xbrl.sec.gov/dei/2023 </BaseTaxonomy> |
| | <BaseTaxonomy items="2789"> https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full </BaseTaxonomy> |
| | </BaseTaxonomies> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |