<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>816</ContextCount>
  <ElementCount>417</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>152</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>15</UnitCount>
  <MyReports>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - Consolidated Statements of Operations (Unaudited) - DTE Energy Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofOperationsUnauditedDTEEnergyCompany</Role>
      <ShortName>Consolidated Statements of Operations (Unaudited) - DTE Energy Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) - DTE Energy Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofComprehensiveIncomeUnauditedDTEEnergyCompany</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Unaudited) - DTE Energy Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) - DTE Energy Company (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofComprehensiveIncomeUnauditedDTEEnergyCompanyParenthetical</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Unaudited) - DTE Energy Company (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - Consolidated Statements of Financial Position (Unaudited) - DTE Energy Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofFinancialPositionUnauditedDTEEnergyCompany</Role>
      <ShortName>Consolidated Statements of Financial Position (Unaudited) - DTE Energy Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - Consolidated Statements of Financial Position (Unaudited) - DTE Energy Company (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofFinancialPositionUnauditedDTEEnergyCompanyParenthetical</Role>
      <ShortName>Consolidated Statements of Financial Position (Unaudited) - DTE Energy Company (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Statement - Consolidated Statements of Cash Flows (Unaudited) - DTE Energy Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofCashFlowsUnauditedDTEEnergyCompany</Role>
      <ShortName>Consolidated Statements of Cash Flows (Unaudited) - DTE Energy Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Statement - Consolidated Statements of Changes in Equity (Unaudited) - DTE Energy Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofChangesinEquityUnauditedDTEEnergyCompany</Role>
      <ShortName>Consolidated Statements of Changes in Equity (Unaudited) - DTE Energy Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Statement - Consolidated Statements of Changes in Equity (Unaudited) - DTE Energy Company (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofChangesinEquityUnauditedDTEEnergyCompanyParenthetical</Role>
      <ShortName>Consolidated Statements of Changes in Equity (Unaudited) - DTE Energy Company (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Statement - Consolidated Statements of Operations (Unaudited) - DTE Electric Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofOperationsUnauditedDTEElectricCompany</Role>
      <ShortName>Consolidated Statements of Operations (Unaudited) - DTE Electric Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) - DTE Electric Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofComprehensiveIncomeUnauditedDTEElectricCompany</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Unaudited) - DTE Electric Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Statement - Consolidated Statements of Financial Position (Unaudited) - DTE Electric Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofFinancialPositionUnauditedDTEElectricCompany</Role>
      <ShortName>Consolidated Statements of Financial Position (Unaudited) - DTE Electric Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Statement - Consolidated Statements of Financial Position (Unaudited) - DTE Electric Company (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofFinancialPositionUnauditedDTEElectricCompanyParenthetical</Role>
      <ShortName>Consolidated Statements of Financial Position (Unaudited) - DTE Electric Company (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Statement - Consolidated Statements of Cash Flows (Unaudited) - DTE Electric Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofCashFlowsUnauditedDTEElectricCompany</Role>
      <ShortName>Consolidated Statements of Cash Flows (Unaudited) - DTE Electric Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Statement - Consolidated Statements of Changes in Shareholder's Equity (Unaudited) - DTE Electric Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ConsolidatedStatementsofChangesinShareholdersEquityUnauditedDTEElectricCompany</Role>
      <ShortName>Consolidated Statements of Changes in Shareholder's Equity (Unaudited) - DTE Electric Company</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Organization and Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/OrganizationandBasisofPresentation</Role>
      <ShortName>Organization and Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPolicies</Role>
      <ShortName>Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - New Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/NewAccountingPronouncements</Role>
      <ShortName>New Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Acquisition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/Acquisition</Role>
      <ShortName>Acquisition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/Revenue</Role>
      <ShortName>Revenue</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - Asset Retirement Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AssetRetirementObligations</Role>
      <ShortName>Asset Retirement Obligations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - Regulatory Matters</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RegulatoryMatters</Role>
      <ShortName>Regulatory Matters</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/EarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - Fair Value</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValue</Role>
      <ShortName>Fair Value</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - Financial and Other Derivative Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstruments</Role>
      <ShortName>Financial and Other Derivative Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9952175 - Disclosure - Long-Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/LongTermDebt</Role>
      <ShortName>Long-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9952176 - Disclosure - Short-Term Credit Arrangements and Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowings</Role>
      <ShortName>Short-Term Credit Arrangements and Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9952177 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9952178 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9952179 - Disclosure - Retirement Benefits and Trusteed Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssets</Role>
      <ShortName>Retirement Benefits and Trusteed Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9952180 - Disclosure - Segment and Related Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SegmentandRelatedInformation</Role>
      <ShortName>Segment and Related Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.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>32</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Organization and Basis of Presentation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/OrganizationandBasisofPresentationTables</Role>
      <ShortName>Organization and Basis of Presentation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/OrganizationandBasisofPresentation</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</Role>
      <ShortName>Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Acquisition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AcquisitionTables</Role>
      <ShortName>Acquisition (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/Acquisition</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RevenueTables</Role>
      <ShortName>Revenue (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/Revenue</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Asset Retirement Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AssetRetirementObligationsTables</Role>
      <ShortName>Asset Retirement Obligations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/AssetRetirementObligations</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/EarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/EarningsPerShare</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Fair Value (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueTables</Role>
      <ShortName>Fair Value (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValue</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Financial and Other Derivative Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</Role>
      <ShortName>Financial and Other Derivative Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstruments</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Long-Term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/LongTermDebtTables</Role>
      <ShortName>Long-Term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/LongTermDebt</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Short-Term Credit Arrangements and Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowingsTables</Role>
      <ShortName>Short-Term Credit Arrangements and Borrowings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowings</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/Leases</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Retirement Benefits and Trusteed Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssetsTables</Role>
      <ShortName>Retirement Benefits and Trusteed Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssets</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Segment and Related Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SegmentandRelatedInformationTables</Role>
      <ShortName>Segment and Related Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SegmentandRelatedInformation</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Organization and Basis of Presentation (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/OrganizationandBasisofPresentationDetailsTextuals</Role>
      <ShortName>Organization and Basis of Presentation (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/OrganizationandBasisofPresentationTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Organization and Basis of Presentation (Consolidated Variable Interest Entities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/OrganizationandBasisofPresentationConsolidatedVariableInterestEntitiesDetails</Role>
      <ShortName>Organization and Basis of Presentation (Consolidated Variable Interest Entities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/OrganizationandBasisofPresentationTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Organization and Basis of Presentation (Non-Consolidated Variable Interest Entities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/OrganizationandBasisofPresentationNonConsolidatedVariableInterestEntitiesDetails</Role>
      <ShortName>Organization and Basis of Presentation (Non-Consolidated Variable Interest Entities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/OrganizationandBasisofPresentationTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Significant Accounting Policies (Other Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesOtherIncomeDetails</Role>
      <ShortName>Significant Accounting Policies (Other Income) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Significant Accounting Policies (Effective Income Tax Rate Reconciliation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesEffectiveIncomeTaxRateReconciliationDetails</Role>
      <ShortName>Significant Accounting Policies (Effective Income Tax Rate Reconciliation) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Significant Accounting Policies (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesDetailsTextuals</Role>
      <ShortName>Significant Accounting Policies (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Significant Accounting Policies (Financing Receivables Classified by Internal Grade of Credit Risk) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesFinancingReceivablesClassifiedbyInternalGradeofCreditRiskDetails</Role>
      <ShortName>Significant Accounting Policies (Financing Receivables Classified by Internal Grade of Credit Risk) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Significant Accounting Policies (Roll-Forward of Activity for Financing Receivables Credit Loss Reserves) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesRollForwardofActivityforFinancingReceivablesCreditLossReservesDetails</Role>
      <ShortName>Significant Accounting Policies (Roll-Forward of Activity for Financing Receivables Credit Loss Reserves) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Significant Accounting Policies (Uncollectible Expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SignificantAccountingPoliciesUncollectibleExpenseDetails</Role>
      <ShortName>Significant Accounting Policies (Uncollectible Expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Acquisition (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AcquisitionDetailsTextuals</Role>
      <ShortName>Acquisition (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/AcquisitionTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Acquisition (Cost Allocated to Underlying Net Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AcquisitionCostAllocatedtoUnderlyingNetAssetsDetails</Role>
      <ShortName>Acquisition (Cost Allocated to Underlying Net Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/AcquisitionTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Revenue (Disaggregation of Revenue By Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RevenueDisaggregationofRevenueBySegmentDetails</Role>
      <ShortName>Revenue (Disaggregation of Revenue By Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RevenueTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Revenue (Revenues Outside the Scope of Topic 606) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RevenueRevenuesOutsidetheScopeofTopic606Details</Role>
      <ShortName>Revenue (Revenues Outside the Scope of Topic 606) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RevenueTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Revenue (Deferred Revenue Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RevenueDeferredRevenueActivityDetails</Role>
      <ShortName>Revenue (Deferred Revenue Activity) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RevenueTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Revenue (Expected Recognition of Deferred Revenue) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RevenueExpectedRecognitionofDeferredRevenueDetails</Role>
      <ShortName>Revenue (Expected Recognition of Deferred Revenue) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RevenueTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Revenue (Expected Timing of Performance Obligation Satisfaction) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RevenueExpectedTimingofPerformanceObligationSatisfactionDetails</Role>
      <ShortName>Revenue (Expected Timing of Performance Obligation Satisfaction) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RevenueTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Asset Retirement Obligations - Schedule of Reconciliation of ARO (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AssetRetirementObligationsScheduleofReconciliationofARODetails</Role>
      <ShortName>Asset Retirement Obligations - Schedule of Reconciliation of ARO (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Asset Retirement Obligations (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/AssetRetirementObligationsDetailsTextuals</Role>
      <ShortName>Asset Retirement Obligations (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/AssetRetirementObligationsTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Regulatory Matters (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RegulatoryMattersDetails</Role>
      <ShortName>Regulatory Matters (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RegulatoryMatters</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/EarningsPerShareDetails</Role>
      <ShortName>Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/EarningsPerShareTables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Fair Value (Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueAssetsandLiabilitiesMeasuredandRecordedatFairValueonaRecurringBasisDetails</Role>
      <ShortName>Fair Value (Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Fair Value (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueDetailsTextuals</Role>
      <ShortName>Fair Value (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Fair Value (Reconciliation of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueReconciliationofLevel3AssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails</Role>
      <ShortName>Fair Value (Reconciliation of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Fair Value (Unobservable Inputs Related to Level 3 Assets and Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueUnobservableInputsRelatedtoLevel3AssetsandLiabilitiesDetails</Role>
      <ShortName>Fair Value (Unobservable Inputs Related to Level 3 Assets and Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Fair Value (Carrying Amount of Fair Value of Financial Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueCarryingAmountofFairValueofFinancialInstrumentsDetails</Role>
      <ShortName>Fair Value (Carrying Amount of Fair Value of Financial Instruments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Fair Value (Fair Value of Nuclear Decommissioning Trust Fund Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueFairValueofNuclearDecommissioningTrustFundAssetsDetails</Role>
      <ShortName>Fair Value (Fair Value of Nuclear Decommissioning Trust Fund Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Fair Value (Realized Gains and Losses and Proceeds from Sale of Securities by Nuclear Decommissioning Trust Funds) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueRealizedGainsandLossesandProceedsfromSaleofSecuritiesbyNuclearDecommissioningTrustFundsDetails</Role>
      <ShortName>Fair Value (Realized Gains and Losses and Proceeds from Sale of Securities by Nuclear Decommissioning Trust Funds) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Fair Value (Fair Value and Unrealized Gains and Losses for Nuclear Decommissioning Trust Funds) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueFairValueandUnrealizedGainsandLossesforNuclearDecommissioningTrustFundsDetails</Role>
      <ShortName>Fair Value (Fair Value and Unrealized Gains and Losses for Nuclear Decommissioning Trust Funds) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Fair Value (Fair Value of the Fixed Income Securities Held in Nuclear Decommissioning Trust Funds) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FairValueFairValueoftheFixedIncomeSecuritiesHeldinNuclearDecommissioningTrustFundsDetails</Role>
      <ShortName>Fair Value (Fair Value of the Fixed Income Securities Held in Nuclear Decommissioning Trust Funds) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FairValueTables</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - Financial and Other Derivative Instruments (Fair Value of Derivative Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsFairValueofDerivativeInstrumentsDetails</Role>
      <ShortName>Financial and Other Derivative Instruments (Fair Value of Derivative Instruments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - Financial and Other Derivative Instruments (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsDetailsTextuals</Role>
      <ShortName>Financial and Other Derivative Instruments (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - Financial and Other Derivative Instruments (Net Cash Collateral Offsetting Arrangements) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsNetCashCollateralOffsettingArrangementsDetails</Role>
      <ShortName>Financial and Other Derivative Instruments (Net Cash Collateral Offsetting Arrangements) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - Financial and Other Derivative Instruments (Netting Offsets of Derivative Assets and Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsNettingOffsetsofDerivativeAssetsandLiabilitiesDetails</Role>
      <ShortName>Financial and Other Derivative Instruments (Netting Offsets of Derivative Assets and Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - Financial and Other Derivative Instruments ( Netting Offsets of Derivative Assets and Liabilities Reconciliation to the Statements of Financial Position) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsNettingOffsetsofDerivativeAssetsandLiabilitiesReconciliationtotheStatementsofFinancialPositionDetails</Role>
      <ShortName>Financial and Other Derivative Instruments ( Netting Offsets of Derivative Assets and Liabilities Reconciliation to the Statements of Financial Position) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - Financial and Other Derivative Instruments (Effect of Derivatives Not Designated as Hedging Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsEffectofDerivativesNotDesignatedasHedgingInstrumentsDetails</Role>
      <ShortName>Financial and Other Derivative Instruments (Effect of Derivatives Not Designated as Hedging Instruments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - Financial and Other Derivative Instruments (Cumulative Gross Volume of Derivative Contracts) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsCumulativeGrossVolumeofDerivativeContractsDetails</Role>
      <ShortName>Financial and Other Derivative Instruments (Cumulative Gross Volume of Derivative Contracts) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/FinancialandOtherDerivativeInstrumentsTables</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - Long-Term Debt (Debt Issuances) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/LongTermDebtDebtIssuancesDetails</Role>
      <ShortName>Long-Term Debt (Debt Issuances) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/LongTermDebtTables</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - Long-Term Debt (Debt Redemptions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/LongTermDebtDebtRedemptionsDetails</Role>
      <ShortName>Long-Term Debt (Debt Redemptions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/LongTermDebtTables</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - Short-Term Credit Arrangements and Borrowings (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowingsDetailsTextuals</Role>
      <ShortName>Short-Term Credit Arrangements and Borrowings (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowingsTables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - Short-Term Credit Arrangements and Borrowings (Availability Under Credit Facilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowingsAvailabilityUnderCreditFacilitiesDetails</Role>
      <ShortName>Short-Term Credit Arrangements and Borrowings (Availability Under Credit Facilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/ShortTermCreditArrangementsandBorrowingsTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/LeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/LeasesTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/CommitmentsandContingencies</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - Retirement Benefits and Trusteed Assets (Net Periodic Benefit Costs (Credits)) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssetsNetPeriodicBenefitCostsCreditsDetails</Role>
      <ShortName>Retirement Benefits and Trusteed Assets (Net Periodic Benefit Costs (Credits)) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssetsTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - Retirement Benefits and Trusteed Assets (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssetsDetailsTextuals</Role>
      <ShortName>Retirement Benefits and Trusteed Assets (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/RetirementBenefitsandTrusteedAssetsTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - Segment and Related Information (Details Textuals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SegmentandRelatedInformationDetailsTextuals</Role>
      <ShortName>Segment and Related Information (Details Textuals)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SegmentandRelatedInformationTables</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - Segment and Related Information (Inter-segment Billing for Goods and Services) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SegmentandRelatedInformationIntersegmentBillingforGoodsandServicesDetails</Role>
      <ShortName>Segment and Related Information (Inter-segment Billing for Goods and Services) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SegmentandRelatedInformationTables</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="dte-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - Segment and Related Information (Profit (Loss) Financial Data) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dteenergy.com/role/SegmentandRelatedInformationProfitLossFinancialDataDetails</Role>
      <ShortName>Segment and Related Information (Profit (Loss) Financial Data) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.dteenergy.com/role/SegmentandRelatedInformationTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="dte-20250930.htm">dte-20250930.htm</File>
    <File>dte-20250930.xsd</File>
    <File>dte-20250930_cal.xml</File>
    <File>dte-20250930_def.xml</File>
    <File>dte-20250930_lab.xml</File>
    <File>dte-20250930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>dte-20250930_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="2561">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="55">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>
