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        <period>
            <startDate>2026-10-19</startDate>
            <endDate>2026-10-19</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-584">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-585">S-3ASR</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-586">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-587">0000100517</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-588">United Airlines Holdings, 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-715">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-716">United Airlines Holdings, Inc.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-717">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-718">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-719">Common Stock of United Airlines Holdings, Inc., $0.01 par value</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-720">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="6"
      id="ixv-721"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-722">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-723">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-724">Preferred Stock of United Airlines Holdings, Inc., without par value</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-725">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="6"
      id="ixv-726"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-727">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-728">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-729">Debt Securities of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-730">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="6"
      id="ixv-731"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_4" id="ixv-732">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-733">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-734">Guarantees of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_4" id="ixv-735">true</ffd:FeesOthrRuleFlg>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="6"
      id="ixv-736"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_4"
      decimals="2"
      id="ixv-737"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_5" id="ixv-738">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-739">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-740">Depositary Shares of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_5" id="ixv-741">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="6"
      id="ixv-742"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-743">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-744">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_6" id="ixv-745">Stock Purchase Contracts of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_6" id="ixv-746">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_6"
      decimals="6"
      id="ixv-747"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_7" id="ixv-748">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_7" id="ixv-749">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_7" id="ixv-750">Stock Purchase Units of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_7" id="ixv-751">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_7"
      decimals="6"
      id="ixv-752"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_8" id="ixv-753">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_8" id="ixv-754">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_8" id="ixv-755">Subscription Rights of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_8" id="ixv-756">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_8"
      decimals="6"
      id="ixv-757"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_9" id="ixv-758">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_9" id="ixv-759">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_9" id="ixv-760">Warrants of United Airlines Holdings, Inc.</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_9" id="ixv-761">true</ffd:FeesOthrRuleFlg>
    <ffd:FeeRate
      contextRef="offrl_9"
      decimals="6"
      id="ixv-762"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_9"
      decimals="2"
      id="ixv-763"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_10" id="ixv-764">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_10" id="ixv-765">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_10" id="ixv-766">Debt Securities of United Airlines, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_10" id="ixv-767">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_10"
      decimals="6"
      id="ixv-768"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_11" id="ixv-769">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_11" id="ixv-770">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_11" id="ixv-771">Guarantees of United Airlines, Inc.</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_11" id="ixv-772">true</ffd:FeesOthrRuleFlg>
    <ffd:FeeRate
      contextRef="offrl_11"
      decimals="6"
      id="ixv-773"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_11"
      decimals="2"
      id="ixv-774"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_12" id="ixv-775">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_12" id="ixv-776">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_12" id="ixv-777">Pass Through Certificates of United Airlines, Inc.</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_12" id="ixv-778">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_12"
      decimals="6"
      id="ixv-779"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-780" unitRef="USD">0.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-781" unitRef="USD">0.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-782" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-783" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-784" unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-785">An unspecified aggregate initial offering price and number or amount of the securities of each identified class is being registered as may from time to time be offered at unspecified prices or issued from time to time upon conversion, exercise or exchange of securities registered hereby or pursuant to anti-dilution adjustments with respect to any securities registered hereby that provide for such adjustments. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are issued in units or represented by depositary shares. In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the registrant is deferring payment of all of the registration fee. Registration fees will be paid subsequently on a "pay as you go basis." Securities registered hereunder may be sold either separately or as units comprising more than one type of security registered hereunder. The securities registered hereunder also include securities that may be purchased by underwriters to cover over-allotments, if any.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-786">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-787">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-788">See Offering Note 1.

Pursuant to Rule 457(n) under the Securities Act of 1933, as amended, no additional registration fee is required with respect to the guarantees.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-789">See Offering Note 1.

The depositary shares registered hereunder will be evidenced by depositary receipts issued pursuant to a deposit agreement. If the registrant elects to offer to the public fractional interests in shares of Preferred Stock, then depositary receipts will be distributed to those persons purchasing the fractional interests and the shares will be issued to the depositary under the deposit agreement.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-790">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_7" id="ixv-791">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_8" id="ixv-792">See Offering Note 1.

Rights evidencing the right to purchase Common Stock, Preferred Stock, depositary shares or warrants.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_9" id="ixv-793">See Offering Note 1.

Warrants may be sold separately or together with any of the securities registered hereby and may be exercisable for debt securities, Common Stock or Preferred Stock registered hereby.

Pursuant to Rule 457(g) under the Securities Act of 1933, as amended, no separate registration fee is required with respect to the warrants.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_10" id="ixv-794">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_11" id="ixv-795">See Offering Note 4.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_12" id="ixv-796">See Offering Note 1.</ffd:OfferingNote>
</xbrl>
