<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0ef04-36a5-7ec4-805c-859adb4c0eaf,g:44165cfe-6d87-4fc9-80af-f378ab1da454-->
<xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:rxp="http://xbrl.sec.gov/rxp/2026" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:country="http://xbrl.sec.gov/country/2026" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:kmi="http://kindermorgan.com/20251231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xml:lang="en-US">
  <link:schemaRef xlink:href="kmi-20251231.xsd" xlink:type="simple"/>
  <xbrli:unit id="usd">
    <xbrli:measure>iso4217:USD</xbrli:measure>
  </xbrli:unit>
  <xbrli:context id="c-1">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001506307</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-2">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001506307</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="rxp:PmtAxis">
          <rxp:pmt>1</rxp:pmt>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <dei:DocumentPeriodEndDate id="f-1" contextRef="c-1">2025-12-31</dei:DocumentPeriodEndDate>
  <rxp:P id="f-2" contextRef="c-2">rxp:Taxes</rxp:P>
  <rxp:R id="f-3" contextRef="c-2">kmi:OilAndNaturalGasMember</rxp:R>
  <rxp:M id="f-4" contextRef="c-2">Well</rxp:M>
  <rxp:Gv id="f-5" contextRef="c-2">kmi:FederalGovernmentMember</rxp:Gv>
  <rxp:Co id="f-6" contextRef="c-2">country:US</rxp:Co>
  <rxp:A id="f-7" contextRef="c-2" decimals="-3" unitRef="usd">19914000</rxp:A>
  <rxp:TotalPayments id="f-8" contextRef="c-1" decimals="-3" unitRef="usd">19914000</rxp:TotalPayments>
  <rxp:Taxes id="f-9" contextRef="c-1" decimals="-3" unitRef="usd">19914000</rxp:Taxes>
  <dei:DocumentType id="f-10" contextRef="c-1">2.01 SD</dei:DocumentType>
  <dei:AmendmentFlag id="f-11" contextRef="c-1">false</dei:AmendmentFlag>
  <dei:EntityCentralIndexKey id="f-12" contextRef="c-1">0001506307</dei:EntityCentralIndexKey>
  <dei:EntityRegistrantName id="f-13" contextRef="c-1">KINDER MORGAN, INC.</dei:EntityRegistrantName>
  <dei:DocumentPeriodEndDate id="f-14" contextRef="c-1">2025-12-31</dei:DocumentPeriodEndDate>
  <dei:EntityReportingCurrencyISOCode id="f-15" contextRef="c-1">USD</dei:EntityReportingCurrencyISOCode>
  <rxp:AlternativeReportingRegime id="f-16" contextRef="c-1">NR</rxp:AlternativeReportingRegime>
  <rxp:R id="f-17" contextRef="c-2">kmi:OilAndNaturalGasMember</rxp:R>
  <rxp:M id="f-18" contextRef="c-2">Well</rxp:M>
  <rxp:Gv id="f-19" contextRef="c-2">kmi:FederalGovernmentMember</rxp:Gv>
  <rxp:Co id="f-20" contextRef="c-2">country:US</rxp:Co>
</xbrli:xbrl>
