<?xml version="1.0" encoding="utf-8"?>
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        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <context id="c_offering_2">
        <entity>
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        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
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    <context id="c_offering_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002108962</identifier>
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                <xbrldi:typedMember dimension="ffd:OfferingAxis">
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        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <context id="c_offering_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002108962</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
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        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002108962</identifier>
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        <period>
            <startDate>2026-03-30</startDate>
            <endDate>2026-03-30</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="pure">
        <measure>pure</measure>
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    <unit id="shares">
        <measure>shares</measure>
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    <ffd:SubmissnTp contextRef="c_report" id="fee_001">S-1</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0002108962</dei:EntityCentralIndexKey>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_004" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_005">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_006">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_007">S-1</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">General Catalyst Global Resilience Merger Corp.</dei:EntityRegistrantName>
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    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_010">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_011">GRAIL securities, each consisting of one Class A ordinary share, $0.0001 par value, and one-fourth of one redeemable warrant</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="c_offering_1" id="fee_012">true</ffd:Rule457aFlg>
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      contextRef="c_offering_1"
      decimals="0"
      id="fee_013"
      unitRef="shares">40250000</ffd:AmtSctiesRegd>
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      contextRef="c_offering_1"
      decimals="INF"
      id="fee_014"
      unitRef="USD">10.00</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="USD">402500000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_017"
      unitRef="USD">55586.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="c_offering_2" id="fee_018">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_2" id="fee_019">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_2" id="fee_020">Class A ordinary shares, par value $0.0001 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_2" id="fee_021">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_2"
      decimals="0"
      id="fee_022"
      unitRef="shares">40250000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_023"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_024"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_025"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="c_offering_3" id="fee_026">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_3" id="fee_027">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_3" id="fee_028">Redeemable warrants included as part of the GRAIL securities</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_3" id="fee_029">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_3"
      decimals="0"
      id="fee_030"
      unitRef="shares">10062500</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_031"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_032"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_033"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="c_offering_4" id="fee_034">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_4" id="fee_035">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_4" id="fee_036">Class A ordinary shares underlying the redeemable warrants included as part of the GRAIL securities</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_4" id="fee_037">true</ffd:Rule457oFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_4"
      decimals="0"
      id="fee_038"
      unitRef="shares">10062500</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="c_offering_4"
      decimals="INF"
      id="fee_039"
      unitRef="USD">11.50</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_4"
      decimals="INF"
      id="fee_040"
      unitRef="USD">115718750.00</ffd:MaxAggtOfferingPric>
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      contextRef="c_offering_4"
      decimals="INF"
      id="fee_041"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_4"
      decimals="INF"
      id="fee_042"
      unitRef="USD">15981.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_043"
      unitRef="USD">518218750.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_044"
      unitRef="USD">71567.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_045"
      unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_046"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_047"
      unitRef="USD">71567.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_048">Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(a) under the Securities Act of 1933, as amended (the "Securities Act"). Includes 5,250,000 GRAIL securities, consisting of 5,250,000 Class A ordinary shares and 1,312,500 redeemable warrants, which may be issued upon exercise of a 45-day over-allotment option granted to the underwriters of this offering. Pursuant to Rule 416(a), there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from stock splits, stock dividends or similar transactions.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_2" id="fee_049">Includes 5,250,000 Class A ordinary shares issued as part of the GRAIL securities that may be issued upon exercise of a 45-day over-allotment option granted to the underwriters of this offering. Pursuant to Rule 416(a), there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from stock splits, stock dividends or similar transactions. No fee pursuant to Rule 457(g) under the Securities Act.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_3" id="fee_050">Represents the warrants included in the GRAIL securities sold in this offering, including warrants that may be issued as part of GRAIL securities issued upon exercise of a 45-day over-allotment option granted to the underwriters of this offering. Pursuant to Rule 416(a), there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from stock splits, stock dividends or similar transactions. No fee pursuant to Rule 457(g) under the Securities Act.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_4" id="fee_051">Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(o) under the Securities Act. Represents the Class A ordinary shares underlying the redeemable warrants included as part of the GRAIL securities sold in this offering, including Class A ordinary shares underlying redeemable warrants issued as part of the GRAIL securities issued upon exercise of a 45-day over-allotment option granted to the underwriters of this offering. Pursuant to Rule 416(a), there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from stock splits, stock dividends or similar transactions.</ffd:OfferingNote>
</xbrl>
