<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>82</ContextCount>
  <ElementCount>212</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>24</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/CondensedConsolidatedBalanceSheets</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/CondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/CondensedConsolidatedStatementsOfOperations</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>999007 - Disclosure - Organization and Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OrganizationAndBasisOfPresentation</Role>
      <ShortName>Organization and Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>999008 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>999009 - Disclosure - Property and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/PropertyAndEquipment</Role>
      <ShortName>Property and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>999010 - Disclosure - Patent Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/PatentCosts</Role>
      <ShortName>Patent Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>999011 - Disclosure - Operating Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OperatingLeases</Role>
      <ShortName>Operating Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>999012 - Disclosure - Finance Agreement Payable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/FinanceAgreementPayable</Role>
      <ShortName>Finance Agreement Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>999013 - Disclosure - Earnings (Loss) Per Common Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/EarningsLossPerCommonShare</Role>
      <ShortName>Earnings (Loss) Per Common Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>999014 - Disclosure - Stockholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/StockholdersEquity</Role>
      <ShortName>Stockholders??? Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>999015 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>999017 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>999018 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>999019 - Disclosure - Property and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/PropertyAndEquipmentTables</Role>
      <ShortName>Property and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/PropertyAndEquipment</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>999020 - Disclosure - Operating Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OperatingLeasesTables</Role>
      <ShortName>Operating Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/OperatingLeases</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>999021 - Disclosure - Earnings (Loss) Per Common Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/EarningsLossPerCommonShareTables</Role>
      <ShortName>Earnings (Loss) Per Common Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/EarningsLossPerCommonShare</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>999022 - Disclosure - Stockholders??? Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/StockholdersEquityTables</Role>
      <ShortName>Stockholders??? Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/StockholdersEquity</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>999023 - Disclosure - Organization and Basis of Presentation (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OrganizationAndBasisOfPresentationDetailsNarrative</Role>
      <ShortName>Organization and Basis of Presentation (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/OrganizationAndBasisOfPresentation</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>999024 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>999025 - Disclosure - Summary of Significant Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Summary of Significant Accounting Policies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/SummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>999026 - Disclosure - Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/PropertyAndEquipmentDetails</Role>
      <ShortName>Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/PropertyAndEquipmentTables</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>999027 - Disclosure - Property and Equipment (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/PropertyAndEquipmentDetailsNarrative</Role>
      <ShortName>Property and Equipment (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/PropertyAndEquipmentTables</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>999028 - Disclosure - Patent Costs (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/PatentCostsDetailsNarrative</Role>
      <ShortName>Patent Costs (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/PatentCosts</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>999029 - Disclosure - Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OperatingLeasesDetails</Role>
      <ShortName>Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/OperatingLeasesTables</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>999030 - Disclosure - Operating Leases (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OperatingLeasesDetails1</Role>
      <ShortName>Operating Leases (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/OperatingLeasesTables</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>999031 - Disclosure - Operating Leases (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OperatingLeasesDetails2</Role>
      <ShortName>Operating Leases (Details 2)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/OperatingLeasesTables</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>999032 - Disclosure - Operating Leases (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/OperatingLeasesDetailsNarrative</Role>
      <ShortName>Operating Leases (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/OperatingLeasesTables</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>999033 - Disclosure - Finance Agreement Payable (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/FinanceAgreementPayableDetailsNarrative</Role>
      <ShortName>Finance Agreement Payable (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/FinanceAgreementPayable</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>999034 - Disclosure - Earnings (Loss) Per Common Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/EarningsLossPerCommonShareDetails</Role>
      <ShortName>Earnings (Loss) Per Common Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/EarningsLossPerCommonShareTables</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>999035 - Disclosure - Stockholders' Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/StockholdersEquityDetails</Role>
      <ShortName>Stockholders' Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>999036 - Disclosure - Stockholders' Equity (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/StockholdersEquityDetails1</Role>
      <ShortName>Stockholders' Equity (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>999037 - Disclosure - Stockholders??? Equity (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/StockholdersEquityDetailsNarrative</Role>
      <ShortName>Stockholders??? Equity (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/StockholdersEquityTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="cdio_10q-033126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>999038 - Disclosure - Commitments and Contingencies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://cardiodiagnosticsinc.com/role/CommitmentsAndContingenciesDetailsNarrative</Role>
      <ShortName>Commitments and Contingencies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://cardiodiagnosticsinc.com/role/CommitmentsAndContingencies</ParentRole>
      <Position>38</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>cdio-20260331.xsd</File>
    <File>cdio-20260331_cal.xml</File>
    <File>cdio-20260331_def.xml</File>
    <File>cdio-20260331_lab.xml</File>
    <File>cdio-20260331_pre.xml</File>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="cdio_10q-033126.htm">cdio_10q-033126.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="359">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="34">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
