<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000898173</identifier>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000898173</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000898173</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000898173</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-394">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-395">424B2</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-396">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-397">333-286320</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-398">0000898173</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-399">O REILLY AUTOMOTIVE INC</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="rc" id="ixv-445">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-446">O REILLY AUTOMOTIVE INC</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-447">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-448">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-449">4.800% Senior Notes due 2029</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-450">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="0"
      id="ixv-451"
      unitRef="Shares">700000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_1"
      decimals="2"
      id="ixv-452"
      unitRef="USD">699902000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-453"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-454"
      unitRef="USD">96656.47</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-455">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-456">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-457">5.050% Senior Notes due 2031</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-458">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
      decimals="0"
      id="ixv-459"
      unitRef="Shares">500000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_2"
      decimals="2"
      id="ixv-460"
      unitRef="USD">499890000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-461"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_2"
      decimals="2"
      id="ixv-462"
      unitRef="USD">69034.81</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-463">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-464">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-465">5.550% Senior Notes due 2037</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-466">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_3"
      decimals="0"
      id="ixv-467"
      unitRef="Shares">400000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_3"
      decimals="2"
      id="ixv-468"
      unitRef="USD">398992000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="7"
      id="ixv-469"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_3"
      decimals="2"
      id="ixv-470"
      unitRef="USD">55100.80</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-471" unitRef="USD">1598784000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-472" unitRef="USD">220792.08</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-473" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-474" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-475" unitRef="USD">220792.08</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-476">This "Calculation of Registration Fee" table shall be deemed to update the "Calculation of Registration Fee" table in the registrant's Registration Statement on Form S-3 (File No. 333-286320) in accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-477">See Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-478">See Note 1.</ffd:OfferingNote>
    <ffd:NrrtvMaxAggtOfferingPric contextRef="rc" decimals="2" id="ixv-479" unitRef="USD">1598784000.00</ffd:NrrtvMaxAggtOfferingPric>
    <ffd:FnlPrspctsFlg contextRef="rc" id="ixv-480">true</ffd:FnlPrspctsFlg>
</xbrl>
