<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:country="http://xbrl.sec.gov/country/2022"
  xmlns:dei="http://xbrl.sec.gov/dei/2022"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:srt="http://fasb.org/srt/2022"
  xmlns:uhal="http://amerco.com/20221231"
  xmlns:us-gaap="http://fasb.org/us-gaap/2022"
  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="uhal-20221231.xsd" xlink:type="simple"/>
    <context id="EndOfCurrentQuarter">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_SeniorLoansMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_MediumTermNotesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FleetLoansRevolvingCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedTranslationAdjustmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedTranslationAdjustmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedTranslationAdjustmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:BlackwaterMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:MercuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:BlackwaterMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:MercuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrailersAndOtherRentalEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:RentalTrucksMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesBPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:AmercoCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:CommonStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:PreferredStockInTreasuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementGeographicalAxis_US">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementGeographicalAxis_CA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:CA</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementGeographicalAxis_US">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementGeographicalAxis_CA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:CA</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementGeographicalAxis_US">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementGeographicalAxis_CA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:CA</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementGeographicalAxis_US">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementGeographicalAxis_CA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:CA</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_MortgagesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_LineOfCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:LineOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">uhal:SelfMovingEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">uhal:PropertyLeaseRevenueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AdditionalPaidInCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AccumulatedOtherComprehensiveIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockCommonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:TreasuryStockPreferredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementGeographicalAxis_US">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementGeographicalAxis_CA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:CA</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementGeographicalAxis_US">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementGeographicalAxis_CA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:StatementGeographicalAxis">country:CA</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:BlackwaterMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:BlackwaterMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:MercuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:MercuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:BlackwaterMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:MercuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:BlackwaterMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:MercuryMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RelatedPartyTransactionsByRelatedPartyAxis_InsuranceGroupMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:InsuranceGroupMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_RelatedPartyTransactionsByRelatedPartyAxis_InsuranceGroupMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:InsuranceGroupMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForCreditLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLossesOnFinanceReceivablesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLoanAndLeaseLossesRealEstateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForCreditLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2022-03-31</endDate>
        </period>
    </context>
    <context id="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLossesOnFinanceReceivablesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2022-03-31</endDate>
        </period>
    </context>
    <context id="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLoanAndLeaseLossesRealEstateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2022-03-31</endDate>
        </period>
    </context>
    <context id="DYPriorYear">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2022-03-31</endDate>
        </period>
    </context>
    <context id="FYPriorEndYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForCreditLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLossesOnFinanceReceivablesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLoanAndLeaseLossesRealEstateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementEquityComponentsAxis_RetainedEarningsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:RetainedEarningsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:OperatingLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_MortgagesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_SeniorLoansMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_LineOfCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:LineOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_MediumTermNotesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FleetLoansRevolvingCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_MortgagesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_SeniorLoansMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_LineOfCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:LineOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_MediumTermNotesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FleetLoansRevolvingCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">uhal:OperatingLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:MovingAndStorageConsolidationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:PropertyAndCasualtyInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">srt:ConsolidationEliminationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfPriorQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:USTreasuryAndGovernmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:USStatesAndPoliticalSubdivisionsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:CorporateDebtSecuritiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:MortgageBackedSecuritiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:USTreasuryAndGovernmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:USStatesAndPoliticalSubdivisionsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:CorporateDebtSecuritiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:MortgageBackedSecuritiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:USTreasurySecuritiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:USTreasurySecuritiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FinancialInstrumentAxis_NonredeemablePreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:NonredeemablePreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_FinancialInstrumentAxis_NonredeemablePreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancialInstrumentAxis">us-gaap:NonredeemablePreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BalanceSheetLocationAxis">us-gaap:OtherInvestmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BalanceSheetLocationAxis">us-gaap:OtherInvestmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MortgagesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_SeniorLoansMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_LineOfCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:LineOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MediumTermNotesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FleetLoansRevolvingCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MortgagesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_SeniorLoansMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_LineOfCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:LineOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MediumTermNotesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FleetLoansRevolvingCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_InterestRateSwapMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DerivativeInstrumentRiskAxis">us-gaap:InterestRateSwapMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_DerivativeInstrumentRiskAxis_InterestRateSwapMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DerivativeInstrumentRiskAxis">us-gaap:InterestRateSwapMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_EquitySwapMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DerivativeInstrumentRiskAxis">us-gaap:EquitySwapMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_DerivativeInstrumentRiskAxis_EquitySwapMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DerivativeInstrumentRiskAxis">us-gaap:EquitySwapMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_IncomeStatementLocationAxis_InterestIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">us-gaap:InterestIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_IncomeStatementLocationAxis_InvestmentIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">us-gaap:InvestmentIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_IncomeStatementLocationAxis_InterestIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">us-gaap:InterestIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_IncomeStatementLocationAxis_InvestmentIncomeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">us-gaap:InvestmentIncomeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwoPriorYear_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-09-30</instant>
        </period>
    </context>
    <context id="FYPrior2YearEndPrior_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForCreditLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLossesOnFinanceReceivablesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLoanAndLeaseLossesRealEstateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForCreditLossMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLossesOnFinanceReceivablesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ValuationAllowancesAndReservesTypeAxis">us-gaap:AllowanceForLoanAndLeaseLossesRealEstateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementClassOfStockAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="SharesOutstanding_StatementClassOfStockAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2023-02-04</instant>
        </period>
    </context>
    <context id="SharesOutstanding_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2023-02-04</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesPreferredStockWithOrWithoutParValueMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:SeriesPreferredStockWithOrWithoutParValueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_StatementClassOfStockAxis_SerialCommonStockWithOrWithoutParValueMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:SerialCommonStockWithOrWithoutParValueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_StatementClassOfStockAxis_SerialCommonStockWithOrWithoutParValueMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">uhal:SerialCommonStockWithOrWithoutParValueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MortgagesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_SeniorLoansMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_SeniorLoansMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_SeniorLoansMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SeniorLoansMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_RevolvingCreditFacilityMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_RevolvingCreditFacilityMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MediumTermNotesMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MediumTermNotesMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:MediumTermNotesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:RentalTruckRevolversMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:RentalTruckRevolversMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:RentalTruckRevolversMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:RentalTruckRevolversMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_FinanceLeaseMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">uhal:FinanceLeaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="FYPriorEndYear_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CapitalLeaseObligationsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-03-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:ParentCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:UnsecuredDebtMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:UhaulIntlAndSubsidiariesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoUsBankNationalAssociationTrusteeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoUsBankNationalAssociationTrusteeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoUsBankNationalAssociationTrusteeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-12-31</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoUsBankNationalAssociationTrusteeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:CollateralizedDebtObligationsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:AmercoUsBankNationalAssociationTrusteeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis">srt:FederalHomeLoanBankOfSanFranciscoMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_RangeAxis_MinimumMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis">srt:FederalHomeLoanBankOfSanFranciscoMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_RangeAxis_MaximumMember_StatementBusinessSegmentsAxis_LifeInsuranceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis">srt:FederalHomeLoanBankOfSanFranciscoMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:LifeInsuranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-09-30</instant>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_BalanceSheetLocationAxis_OtherInvestmentsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BalanceSheetLocationAxis">us-gaap:OtherInvestmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementEquityComponentsAxis">us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="NonVotingStockEffectiveDate_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-10-22</instant>
        </period>
    </context>
    <context id="NonVotingStockCommencementDate_StatementClassOfStockAxis_NonvotingCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:NonvotingCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2022-11-10</instant>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredTwoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DividendsAxis">uhal:DividendsDeclaredTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredThreeMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DividendsAxis">uhal:DividendsDeclaredThreeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_DividendsAxis_NonvotingCommonStockDividendMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DividendsAxis">uhal:NonvotingCommonStockDividendMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RangeAxis_MinimumMember_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RangeAxis_MaximumMember_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-10-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-10-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">uhal:SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">uhal:VariousSubsidiariesOfAmercoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_CreditCardReceivablesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis">us-gaap:CreditCardReceivablesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="DYCurrentNineMonthsToDate_FinancingReceivablePortfolioSegmentAxis_CommercialRealEstatePortfolioSegmentMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000004457</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FinancingReceivablePortfolioSegmentAxis">us-gaap:CommercialRealEstatePortfolioSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-04-01</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Pure">
        <measure>pure</measure>
    </unit>
    <unit id="EPS">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <unit id="WeightedAverage">
        <measure>shares</measure>
    </unit>
    <dei:AmendmentFlag contextRef="DYCurrentQuarterToDate">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="DYCurrentQuarterToDate">0000004457</dei:EntityCentralIndexKey>
    <dei:CurrentFiscalYearEndDate contextRef="DYCurrentQuarterToDate">--03-31</dei:CurrentFiscalYearEndDate>
    <dei:DocumentFiscalYearFocus contextRef="DYCurrentQuarterToDate">2023</dei:DocumentFiscalYearFocus>
    <dei:DocumentFiscalPeriodFocus contextRef="DYCurrentQuarterToDate">Q3</dei:DocumentFiscalPeriodFocus>
    <dei:DocumentType contextRef="DYCurrentQuarterToDate">10-Q</dei:DocumentType>
    <dei:DocumentQuarterlyReport contextRef="DYCurrentQuarterToDate">true</dei:DocumentQuarterlyReport>
    <dei:DocumentPeriodEndDate contextRef="DYCurrentQuarterToDate">2022-12-31</dei:DocumentPeriodEndDate>
    <dei:DocumentTransitionReport contextRef="DYCurrentQuarterToDate">false</dei:DocumentTransitionReport>
    <dei:EntityFileNumber contextRef="DYCurrentQuarterToDate">001-11255</dei:EntityFileNumber>
    <dei:EntityIncorporationStateCountryCode contextRef="DYCurrentQuarterToDate">NV</dei:EntityIncorporationStateCountryCode>
    <dei:EntityRegistrantName contextRef="DYCurrentQuarterToDate">U-Haul Holding Company</dei:EntityRegistrantName>
    <dei:EntityTaxIdentificationNumber contextRef="DYCurrentQuarterToDate">88-0106815</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="DYCurrentQuarterToDate">5555 Kietzke Lane</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="DYCurrentQuarterToDate">Suite 100</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="DYCurrentQuarterToDate">Reno</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="DYCurrentQuarterToDate">NV</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="DYCurrentQuarterToDate">89511</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="DYCurrentQuarterToDate">775</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="DYCurrentQuarterToDate">688-6300</dei:LocalPhoneNumber>
    <dei:Security12bTitle contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_CommonStockMember">Common Stock, $0.25 par value</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_CommonStockMember">UHAL</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_CommonStockMember">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">Series N Non-Voting Common Stock, $0.001 par value</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">UHAL.B</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">NYSE</dei:SecurityExchangeName>
    <dei:EntityCurrentReportingStatus contextRef="DYCurrentQuarterToDate">Yes</dei:EntityCurrentReportingStatus>
    <dei:EntityInteractiveDataCurrent contextRef="DYCurrentQuarterToDate">Yes</dei:EntityInteractiveDataCurrent>
    <dei:EntityFilerCategory contextRef="DYCurrentQuarterToDate">Large Accelerated Filer</dei:EntityFilerCategory>
    <dei:EntitySmallBusiness contextRef="DYCurrentQuarterToDate">false</dei:EntitySmallBusiness>
    <dei:EntityEmergingGrowthCompany contextRef="DYCurrentQuarterToDate">false</dei:EntityEmergingGrowthCompany>
    <dei:EntityShellCompany contextRef="DYCurrentQuarterToDate">false</dei:EntityShellCompany>
    <dei:EntityCommonStockSharesOutstanding
      contextRef="SharesOutstanding_StatementClassOfStockAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</dei:EntityCommonStockSharesOutstanding>
    <dei:EntityCommonStockSharesOutstanding
      contextRef="SharesOutstanding_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</dei:EntityCommonStockSharesOutstanding>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2510619000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2704137000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">208182000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">229343000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <us-gaap:InventoryNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">150140000</us-gaap:InventoryNet>
    <us-gaap:InventoryNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">158888000</us-gaap:InventoryNet>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">228260000</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">236915000</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:MarketableSecurities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2723201000</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2893399000</us-gaap:MarketableSecurities>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">518455000</us-gaap:Investments>
    <us-gaap:Investments contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">543755000</us-gaap:Investments>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">159924000</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">103828000</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DepositsAssets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">57272000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">60409000</us-gaap:DepositsAssets>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">504640000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">620824000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">63856000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">74382000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">75549000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">47851000</us-gaap:DueFromRelatedParties>
    <uhal:SubtotalAssets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">7200098000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">7673731000</uhal:SubtotalAssets>
    <us-gaap:Land
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">1504507000</us-gaap:Land>
    <us-gaap:Land contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">1283142000</us-gaap:Land>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6728424000</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5974639000</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">898468000</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">846132000</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember"
      decimals="-3"
      unitRef="USD">784394000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember"
      decimals="-3"
      unitRef="USD">615679000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember"
      decimals="-3"
      unitRef="USD">5167168000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember"
      decimals="-3"
      unitRef="USD">4638814000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">15082961000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">13358406000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">4166731000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">3732556000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">10916230000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">9625850000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">18116328000</us-gaap:Assets>
    <us-gaap:Assets contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">17299581000</us-gaap:Assets>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">703412000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">677785000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6200397000</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">6022497000</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">63402000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">74197000</us-gaap:OperatingLeaseLiability>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">980200000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">978254000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2396702000</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2336238000</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:PolicyholderFunds
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">12579000</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">10812000</us-gaap:PolicyholderFunds>
    <us-gaap:DeferredRevenue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">45222000</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">49157000</us-gaap:DeferredRevenue>
    <us-gaap:DeferredTaxLiabilities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">1301037000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">1265358000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:Liabilities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">11702951000</us-gaap:Liabilities>
    <us-gaap:Liabilities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">11414298000</us-gaap:Liabilities>
    <us-gaap:CommitmentsAndContingencies
      contextRef="EndOfCurrentQuarter"
      unitRef="USD"
      xsi:nil="true"/>
    <us-gaap:CommitmentsAndContingencies contextRef="FYPriorEndYear" unitRef="USD" xsi:nil="true"/>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesPreferredStockWithOrWithoutParValueMember"
      decimals="1"
      unitRef="WeightedAverage">50000000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember"
      decimals="1"
      unitRef="WeightedAverage">6100000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:PreferredStockSharesIssued
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember"
      decimals="1"
      unitRef="WeightedAverage">6100000</us-gaap:PreferredStockSharesIssued>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember"
      decimals="1"
      unitRef="WeightedAverage">100000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SerialCommonStockWithOrWithoutParValueMember"
      decimals="1"
      unitRef="WeightedAverage">250000000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:PreferredStockNoParValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SerialCommonStockWithOrWithoutParValueMember"
      decimals="2"
      unitRef="EPS">0.25</us-gaap:PreferredStockNoParValue>
    <us-gaap:PreferredStockSharesAuthorized
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SerialCommonStockWithOrWithoutParValueMember"
      decimals="1"
      unitRef="WeightedAverage">10000000</us-gaap:PreferredStockSharesAuthorized>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember"
      decimals="2"
      unitRef="EPS">0.25</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember"
      decimals="1"
      unitRef="WeightedAverage">250000000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="2"
      unitRef="EPS">0.25</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">250000000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:CommonStockSharesIssued
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">41985700</us-gaap:CommonStockSharesIssued>
    <us-gaap:CommonStockSharesOutstanding
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:CommonStockSharesOutstanding>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="3"
      unitRef="EPS">0.001</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">250000000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:CommonStockSharesIssued
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:CommonStockSharesIssued>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:AdditionalPaidInCapital
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">453643000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">453819000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">-284116000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">46384000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6910827000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">6052233000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:TreasuryStockShares
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember"
      decimals="1"
      unitRef="WeightedAverage">22377912</us-gaap:TreasuryStockShares>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">525653000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">525653000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockShares
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember"
      decimals="1"
      unitRef="WeightedAverage">6100000</us-gaap:TreasuryStockShares>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">151997000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">151997000</us-gaap:TreasuryStockValue>
    <us-gaap:StockholdersEquity
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6413377000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5885283000</us-gaap:StockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">18116328000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">17299581000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">898819000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">975552000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">190483000</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">159424000</uhal:SelfStorageRevenues>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">74851000</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">75402000</uhal:SaleRevenuesGoodsGross>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">10080000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">9651000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">24399000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">27010000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">26852000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">25618000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">52294000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">31184000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:OtherIncome
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">97558000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">100495000</us-gaap:OtherIncome>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1375336000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1404336000</us-gaap:Revenues>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">733469000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">658095000</us-gaap:OperatingExpenses>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">95980000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">105155000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">54616000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">57042000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">41372000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">47266000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">6979000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">7947000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">7792000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">7394000</us-gaap:LeaseAndRentalExpense>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">113866000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">103736000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">859000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">977000</uhal:GainLossDisposalOfAssets>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1054933000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">987612000</us-gaap:CostsAndExpenses>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">320403000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">416724000</us-gaap:OperatingIncomeLoss>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">304000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">280000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">59041000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">44042000</us-gaap:InterestExpense>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">50000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">956000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">261008000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">371446000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">61764000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">89980000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">0.98</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">1.89</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">1.02</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">1.39</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3151619000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3189990000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">549246000</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">450302000</uhal:SelfStorageRevenues>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">281066000</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">272478000</uhal:SaleRevenuesGoodsGross>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">28496000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">26847000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">75636000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">84628000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">72542000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">64986000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">116376000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">102963000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:OtherIncome
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">401059000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">349252000</us-gaap:OtherIncome>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4676040000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4541446000</us-gaap:Revenues>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2278230000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1968698000</us-gaap:OperatingExpenses>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">339814000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">346200000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">206912000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">193448000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122835000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">139194000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">21623000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">23520000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">22951000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">22482000</us-gaap:LeaseAndRentalExpense>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">344980000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">361201000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5038000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2930000</uhal:GainLossDisposalOfAssets>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3342383000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3051813000</us-gaap:CostsAndExpenses>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1333657000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1489633000</us-gaap:OperatingIncomeLoss>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">912000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">840000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">166033000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122765000</us-gaap:InterestExpense>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1009000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">956000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1165703000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1365072000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">280442000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">328533000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">5.38</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">6.64</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">4.42</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">5.14</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">261008000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">61764000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-215000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-215000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-116073000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-24523000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-91550000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">153000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">38000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">115000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-455000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-110000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-345000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-116590000</us-gaap:OtherComprehensiveIncomeLossBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-24595000</us-gaap:OtherComprehensiveIncomeLossTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-91995000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">144418000</us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent>
    <us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">37169000</us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1>
    <us-gaap:ComprehensiveIncomeNetOfTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">107249000</us-gaap:ComprehensiveIncomeNetOfTax>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">371446000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">89980000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">112000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">112000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-15187000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-3195000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-11992000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">235000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">57000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">178000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1007000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">248000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">759000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-13833000</us-gaap:OtherComprehensiveIncomeLossBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-2890000</us-gaap:OtherComprehensiveIncomeLossTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-10943000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">357613000</us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent>
    <us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">87090000</us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1>
    <us-gaap:ComprehensiveIncomeNetOfTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">270523000</us-gaap:ComprehensiveIncomeNetOfTax>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1165703000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">280442000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-426955000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-90579000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-336376000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8659000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2127000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6532000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">134000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">33000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">101000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-418919000</us-gaap:OtherComprehensiveIncomeLossBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-88419000</us-gaap:OtherComprehensiveIncomeLossTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-330500000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">746784000</us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent>
    <us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">192023000</us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1>
    <us-gaap:ComprehensiveIncomeNetOfTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">554761000</us-gaap:ComprehensiveIncomeNetOfTax>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1365072000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">328533000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2288000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2288000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-55113000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-11476000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-43637000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">93000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">22000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">71000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2997000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionBeforeTax>
    <uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">736000</uhal:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2261000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-54311000</us-gaap:OtherComprehensiveIncomeLossBeforeTax>
    <us-gaap:OtherComprehensiveIncomeLossTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-10718000</us-gaap:OtherComprehensiveIncomeLossTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-43593000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1310761000</us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent>
    <us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">317815000</us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1>
    <us-gaap:ComprehensiveIncomeNetOfTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">992946000</us-gaap:ComprehensiveIncomeNetOfTax>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453819000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-192121000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">6718642000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwo_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest contextRef="EndOfQuarterTwo" decimals="-3" unitRef="USD">6313187000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">-176000</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-215000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-215000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-91550000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-91550000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">115000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">115000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-345000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-345000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">-176000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-91995000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">192185000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">100190000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453643000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-284116000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">6910827000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6413377000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453819000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">74207000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">5693824000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfQuarterTwoPriorYear"
      decimals="-3"
      unitRef="USD">5554697000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">112000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">112000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-11992000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">-11992000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">178000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">178000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">759000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">759000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">9804000</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">9804000</us-gaap:DividendsCommonStockCash>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-10943000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">271662000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">260719000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453819000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">63264000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">5965486000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest contextRef="EndOfPriorQuarter" decimals="-3" unitRef="USD">5815416000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453819000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">46384000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">6052233000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5885283000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">-176000</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:DividendsCommonStockStock
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockStock>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-336376000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-336376000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">6532000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6532000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">101000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">101000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">19608000</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">19608000</us-gaap:DividendsCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">-176000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-330500000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">858594000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">528094000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453643000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-284116000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">6910827000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6413377000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453819000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">106857000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">4958359000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="FYPrior2YearEndPrior"
      decimals="-3"
      unitRef="USD">4851882000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-2288000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2288000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-43637000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-43637000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">71000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">71000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">2261000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2261000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">29412000</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DividendsCommonStockCash>
    <us-gaap:DividendsCommonStockCash
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">29412000</us-gaap:DividendsCommonStockCash>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-43593000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">1007127000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityPeriodIncreaseDecrease
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">963534000</us-gaap:StockholdersEquityPeriodIncreaseDecrease>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_AdditionalPaidInCapitalMember"
      decimals="-3"
      unitRef="USD">453819000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">63264000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_RetainedEarningsMember"
      decimals="-3"
      unitRef="USD">5965486000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_TreasuryStockCommonMember"
      decimals="-3"
      unitRef="USD">-525653000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_TreasuryStockPreferredMember"
      decimals="-3"
      unitRef="USD">-151997000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest contextRef="EndOfPriorQuarter" decimals="-3" unitRef="USD">5815416000</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:Depreciation
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">544176000</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">519181000</us-gaap:Depreciation>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">21623000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">23520000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">15232000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">14486000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5694000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4200000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">39048000</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">47181000</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-4617000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1243000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6991000</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">9799000</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">199196000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">157980000</us-gaap:GainLossOnDispositionOfAssets1>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5038000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2930000</uhal:GainLossDisposalOfAssets>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-8695000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3495000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">10906000</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-3695000</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">121707000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">130760000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-25853000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7371000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1682000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">70796000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-7867000</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-257591000</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">20406000</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">25703000</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2683000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1178000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">26775000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">18683000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">62430000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">33258000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3490000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6411000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1767000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2810000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2168000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-526000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1301000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2207000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1515680000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1789151000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-159000</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-5695000</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2076424000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1652984000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">49801000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">31074000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">491431000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">448283000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4828000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1380000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8000000</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7854000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">190000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">148017000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">131633000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">533595000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">483783000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">67062000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">20669000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">148290000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">284347000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1187000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2026000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2000000</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">156292000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">28064000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1871770000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1446960000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">975966000</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1202412000</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">695321000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">333419000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4962000</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8006000</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">95290000</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">129150000</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-137000</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">19608000</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">29412000</us-gaap:PaymentsOfDividendsCommonStock>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">258157000</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">271657000</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">236742000</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">177777000</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">175278000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">796305000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-12706000</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-5046000</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-193518000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1133450000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2704137000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPrior2YearEndPrior"
      decimals="-3"
      unitRef="USD">1194012000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2510619000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="EndOfPriorQuarter" decimals="-3" unitRef="USD">2327462000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock contextRef="DYCurrentNineMonthsToDate">



          U-Haul Holding Company and consolidated subsidiaries


          notes to condensed consolidated financial statements



          1.Basis of Presentation


          U-Haul Holding Company, a Nevada corporation formerly known as AMERCO (&#x201c;U-Haul Holding Company&#x201d;), has a third fiscal quarter that ends on the 31st of December for each year that is referenced. Our insurance company subsidiaries have a third quarter that ends on the 30
          th
           of September for each year that is referenced. They have been consolidated on that basis. Our insurance companies&#x2019; financial reporting processes conform to calendar year reporting as required by state insurance departments. Management believes that consolidating their calendar year into our fiscal year financial statements does not materially affect the presentation of financial position or results of operations. We disclose material events, if any, occurring during the intervening period. Consequently, all references to our insurance subsidiaries&#x2019; years 2022 and 2021 correspond to fiscal 2023 and 2022 for U-Haul Holding Company.


          Accounts denominated in non-U.S. currencies have been translated into U.S. dollars.
          &#160;


          The condensed consolidated balance sheet as of December 31, 2022, and the related condensed consolidated statements of operations, comprehensive income (loss), stockholders&#x2019; equity for the third quarter and first nine months of fiscal 2023 and 2022 and cash flows for the first nine months of fiscal 2023 and 2022 are unaudited.


          In our opinion, all adjustments necessary for the fair presentation of such condensed consolidated financial statements have been included. Such adjustments consist only of normal recurring items. Interim results are not necessarily indicative of results for a full year. The information in this Quarterly Report on Form 10-Q (&#x201c;Quarterly Report&#x201d;) should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended March 31, 2022.


          Intercompany accounts and transactions have been eliminated.


          Description of Legal Entities


          U-Haul Holding Company is the holding company for:


          U-Haul International, Inc. (&#x201c;U-Haul&#x201d;);


          Amerco Real Estate Company (&#x201c;Real Estate&#x201d;);


          Repwest Insurance Company (&#x201c;Repwest&#x201d;); and


          Oxford Life Insurance Company (&#x201c;Oxford&#x201d;).


          Unless the context otherwise requires, the terms &#x201c;Company,&#x201d; &#x201c;we,&#x201d; &#x201c;us&#x201d; or &#x201c;our&#x201d; refer to U-Haul Holding Company and all of its legal subsidiaries.


          Description of Operating Segments


          U-Haul Holding Company has three (

            3

          ) reportable segments. They are Moving and Storage, Property and Casualty Insurance and Life Insurance.


          The Moving and Storage operating segment (&#x201c;Moving and Storage&#x201d;) includes U-Haul Holding Company, U-Haul and Real Estate and the wholly owned subsidiaries of U-Haul and Real Estate. Operations consist of the rental of trucks and trailers, sales of moving supplies, sales of towing accessories, sales of propane, and the rental of fixed and portable moving and storage units to the &#x201c;do-it-yourself&#x201d; mover and management of self-storage properties owned by others. Operations are conducted under the registered trade name U-Haul
          &#xae;
           throughout the United States and Canada.

        The Property and Casualty Insurance operating segment (&#x201c;Property and Casualty Insurance&#x201d;) includes Repwest and its wholly owned subsidiaries and ARCOA Risk Retention Group (&#x201c;ARCOA&#x201d;). Property and Casualty Insurance provides loss adjusting and claims handling for U-Haul&#xae; through regional offices in the United States and Canada. Property and Casualty Insurance also underwrites components of the Safemove&#xae;, Safetow&#xae;, Safemove Plus&#xae;, Safestor&#xae; and Safestor Mobile&#xae; protection packages to U-Haul customers. The business plan for Property and Casualty Insurance includes offering property and casualty insurance products in other U-Haul-related programs. ARCOA is a group captive insurer owned by us and our wholly owned subsidiaries whose purpose is to provide insurance products related to our moving and storage business.

          8



    The Life Insurance operating segment (&#x201c;Life Insurance&#x201d;) includes Oxford and its wholly owned subsidiaries. Life Insurance provides life and health insurance products primarily to the senior market through the direct writing and reinsuring of life insurance, Medicare supplement and annuity policies.</us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock>
    <us-gaap:NumberOfReportableSegments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="INF"
      unitRef="Pure">3</us-gaap:NumberOfReportableSegments>
    <us-gaap:EarningsPerShareTextBlock contextRef="DYCurrentNineMonthsToDate">

          2. Earnings per Share


          We calculate earnings per share using the two-class method in accordance with Accounting Standards Codification Topic 260,
          Earnings Per Share
          . The two-class method allocates the undistributed earnings available to common stockholders to the Company&#x2019;s outstanding common stock, $

            0.25

           par value (the &#x201c;Voting Common Stock&#x201d;) and the Series N Non-Voting Common Stock, $

            0.001

           par value (the &#x201c;Non-Voting Common Stock&#x201d;) based on each share&#x2019;s percentage of total weighted average shares outstanding. The Voting Common Stock and Non-Voting Common Stock are allocated

            10

          % and

            90

          %, respectively, of our undistributed earnings available to common stockholders. This represents earnings available to common stockholders less the dividends declared for both the Voting Common Stock and Non-Voting Common Stock.

        Our undistributed earnings per share is calculated by taking the undistributed earnings available to common stockholders and dividing this number by the weighted average shares outstanding for the respective stock. If there was a dividend declared for that period, the dividend per share is added to the undistributed earnings per share to calculate the basic and diluted earnings per share. The process is used for both Voting Common Stock and Non-Voting Common Stock.


          The calculation of basic and diluted earnings per share for the quarter and nine months ended December 31, 2022 and 2021 for our Voting Common Stock and Non-Voting Common Stock were as follows:







                    &#160;






                    &#160;






                    For the Quarter Ended








                    &#160;






                    &#160;






                    December 31,








                    &#160;






                    &#160;






                    2022






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands, except share and per share amounts)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Weighted average shares outstanding of Voting Common Stock






                    &#160;







                      19,607,788







                    &#160;







                      19,607,788









                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock






                    &#160;







                      196,077,880







                    &#160;







                      196,077,880









                    Percent of weighted average shares outstanding of Voting Common Stock






                    &#160;







                      10%






                    &#160;







                      10%








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Net earnings available to common stockholders






                    $







                      199,244







                    $







                      281,466









                    Voting Common Stock dividends declared






                    &#160;







                      &#x2013;







                    &#160;






                    (9,804)








                    Non-Voting Common Stock dividends declared






                    &#160;






                    (7,059)






                    &#160;







                      &#x2013;









                    Undistributed earnings available to common stockholders






                    $







                      192,185







                    $







                      271,662









                    Undistributed earnings available to common stockholders allocated to Voting Common Stock






                    $







                      19,219







                    $







                      27,166









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Undistributed earnings per share of Voting Common Stock






                    $







                      0.98







                    $







                      1.39









                    Dividends declared per share of Voting Common Stock






                    $







                      &#x2013;







                    $







                      0.50









                    Basic and diluted earnings per share of Voting Common Stock






                    $







                      0.98







                    $







                      1.89









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Weighted average shares outstanding of Non-Voting Common Stock






                    &#160;







                      176,470,092







                    &#160;







                      176,470,092









                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock






                    &#160;







                      196,077,880







                    &#160;







                      196,077,880









                    Percent of weighted average shares outstanding of Non-Voting Common Stock






                    &#160;







                      90%






                    &#160;







                      90%








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Net earnings available to common stockholders






                    $







                      199,244







                    $







                      281,466









                    Voting Common Stock dividends declared






                    &#160;







                      &#x2013;







                    &#160;






                    (9,804)








                    Non-Voting Common Stock dividends declared






                    &#160;






                    (7,059)






                    &#160;







                      &#x2013;









                    Undistributed earnings available to common stockholders






                    $







                      192,185







                    $







                      271,662









                    Undistributed earnings available to common stockholders allocated to Non-Voting Common Stock






                    $







                      172,967







                    $







                      244,496









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Undistributed earnings per share of Non-Voting Common Stock






                    $







                      0.98







                    $







                      1.39









                    Dividends declared per share of Non-Voting Common Stock






                    $







                      0.04







                    $







                      &#x2013;









                    Basic and diluted earnings per share of Non-Voting Common Stock






                    $







                      1.02







                    $







                      1.39








          &#160;




          &#160;







                    &#160;






                    &#160;






                    For the Nine Months Ended








                    &#160;






                    &#160;






                    December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands, except share and per share amounts)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Weighted average shares outstanding of Voting Common Stock






                    &#160;







                      19,607,788







                    &#160;







                      19,607,788









                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock






                    &#160;







                      196,077,880







                    &#160;







                      196,077,880









                    Percent of weighted average shares outstanding of Voting Common Stock






                    &#160;







                      10%






                    &#160;







                      10%








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Net earnings available to common stockholders






                    $







                      885,261







                    $







                      1,036,539









                    Voting Common Stock dividends declared






                    &#160;






                    (19,608)






                    &#160;






                    (29,412)








                    Non-Voting Common Stock dividends declared






                    &#160;






                    (7,059)






                    &#160;







                      &#x2013;









                    Undistributed earnings available to common stockholders






                    $







                      858,594







                    $







                      1,007,127









                    Undistributed earnings available to common stockholders allocated to Voting Common Stock






                    $







                      85,859







                    $







                      100,713









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Undistributed earnings per share of Voting Common Stock






                    $







                      4.38







                    $







                      5.14









                    Dividends declared per share of Voting Common Stock






                    $







                      1.00







                    $







                      1.50









                    Basic and diluted earnings per share of Voting Common Stock






                    $







                      5.38







                    $







                      6.64









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Weighted average shares outstanding of Non-Voting Common Stock






                    &#160;







                      176,470,092







                    &#160;







                      176,470,092









                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock






                    &#160;







                      196,077,880







                    &#160;







                      196,077,880









                    Percent of weighted average shares outstanding of Non-Voting Common Stock






                    &#160;







                      90%






                    &#160;







                      90%








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Net earnings available to common stockholders






                    $







                      885,261







                    $







                      1,036,539









                    Voting Common Stock dividends declared






                    &#160;






                    (19,608)






                    &#160;






                    (29,412)








                    Non-Voting Common Stock dividends declared






                    &#160;






                    (7,059)






                    &#160;







                      &#x2013;









                    Undistributed earnings available to common stockholders






                    $







                      858,594







                    $







                      1,007,127









                    Undistributed earnings available to common stockholders allocated to Non-Voting Common Stock






                    $







                      772,735







                    $







                      906,414









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Undistributed earnings per share of Non-Voting Common Stock






                    $







                      4.38







                    $







                      5.14









                    Dividends declared per share of Non-Voting Common Stock






                    $







                      0.04







                    $







                      &#x2013;









                    Basic and diluted earnings per share of Non-Voting Common Stock






                    $







                      4.42







                    $







                      5.14







      Please see note 7, Stockholders&#x2019; Equity, of the Notes to Condensed Consolidated Financial Statements for more information on the Non-Voting Common Stock.</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">0.25</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="3"
      unitRef="EPS">0.001</us-gaap:CommonStockParOrStatedValuePerShare>
    <uhal:UndistributedEarningsAvailableCommonStockholdersAllocationPercentage
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="INF"
      unitRef="Pure">0.10</uhal:UndistributedEarningsAvailableCommonStockholdersAllocationPercentage>
    <uhal:UndistributedEarningsAvailableCommonStockholdersAllocationPercentage
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="INF"
      unitRef="Pure">0.90</uhal:UndistributedEarningsAvailableCommonStockholdersAllocationPercentage>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock contextRef="DYCurrentQuarterToDate">

                    &#160;



                    &#160;



                    For the Quarter Ended



                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    &#160;



                    2022



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands, except share and per share amounts)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Weighted average shares outstanding of Voting Common Stock



                    &#160;




                      19,607,788




                    &#160;




                      19,607,788




                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock



                    &#160;




                      196,077,880




                    &#160;




                      196,077,880




                    Percent of weighted average shares outstanding of Voting Common Stock



                    &#160;




                      10%



                    &#160;




                      10%



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Net earnings available to common stockholders



                    $




                      199,244




                    $




                      281,466




                    Voting Common Stock dividends declared



                    &#160;




                      &#x2013;




                    &#160;



                    (9,804)



                    Non-Voting Common Stock dividends declared



                    &#160;



                    (7,059)



                    &#160;




                      &#x2013;




                    Undistributed earnings available to common stockholders



                    $




                      192,185




                    $




                      271,662




                    Undistributed earnings available to common stockholders allocated to Voting Common Stock



                    $




                      19,219




                    $




                      27,166




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Undistributed earnings per share of Voting Common Stock



                    $




                      0.98




                    $




                      1.39




                    Dividends declared per share of Voting Common Stock



                    $




                      &#x2013;




                    $




                      0.50




                    Basic and diluted earnings per share of Voting Common Stock



                    $




                      0.98




                    $




                      1.89




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Weighted average shares outstanding of Non-Voting Common Stock



                    &#160;




                      176,470,092




                    &#160;




                      176,470,092




                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock



                    &#160;




                      196,077,880




                    &#160;




                      196,077,880




                    Percent of weighted average shares outstanding of Non-Voting Common Stock



                    &#160;




                      90%



                    &#160;




                      90%



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Net earnings available to common stockholders



                    $




                      199,244




                    $




                      281,466




                    Voting Common Stock dividends declared



                    &#160;




                      &#x2013;




                    &#160;



                    (9,804)



                    Non-Voting Common Stock dividends declared



                    &#160;



                    (7,059)



                    &#160;




                      &#x2013;




                    Undistributed earnings available to common stockholders



                    $




                      192,185




                    $




                      271,662




                    Undistributed earnings available to common stockholders allocated to Non-Voting Common Stock



                    $




                      172,967




                    $




                      244,496




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Undistributed earnings per share of Non-Voting Common Stock



                    $




                      0.98




                    $




                      1.39




                    Dividends declared per share of Non-Voting Common Stock



                    $




                      0.04




                    $




                      &#x2013;


                Basic and diluted earnings per share of Non-Voting Common Stock$
                      1.02
                    $
                      1.39
                    </us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="INF"
      unitRef="Pure">0.10</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="INF"
      unitRef="Pure">0.10</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">9804000</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">192185000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">271662000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">19219000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">27166000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">0.98</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">1.39</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">0</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">0.50</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">0.98</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">1.89</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="INF"
      unitRef="Pure">0.90</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfPriorQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="INF"
      unitRef="Pure">0.90</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">9804000</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">192185000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">271662000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">172967000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">244496000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">0.98</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">1.39</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">0.04</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">0</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">1.02</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">1.39</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    For the Nine Months Ended



                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands, except share and per share amounts)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Weighted average shares outstanding of Voting Common Stock



                    &#160;




                      19,607,788




                    &#160;




                      19,607,788




                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock



                    &#160;




                      196,077,880




                    &#160;




                      196,077,880




                    Percent of weighted average shares outstanding of Voting Common Stock



                    &#160;




                      10%



                    &#160;




                      10%



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Net earnings available to common stockholders



                    $




                      885,261




                    $




                      1,036,539




                    Voting Common Stock dividends declared



                    &#160;



                    (19,608)



                    &#160;



                    (29,412)



                    Non-Voting Common Stock dividends declared



                    &#160;



                    (7,059)



                    &#160;




                      &#x2013;




                    Undistributed earnings available to common stockholders



                    $




                      858,594




                    $




                      1,007,127




                    Undistributed earnings available to common stockholders allocated to Voting Common Stock



                    $




                      85,859




                    $




                      100,713




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Undistributed earnings per share of Voting Common Stock



                    $




                      4.38




                    $




                      5.14




                    Dividends declared per share of Voting Common Stock



                    $




                      1.00




                    $




                      1.50




                    Basic and diluted earnings per share of Voting Common Stock



                    $




                      5.38




                    $




                      6.64




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Weighted average shares outstanding of Non-Voting Common Stock



                    &#160;




                      176,470,092




                    &#160;




                      176,470,092




                    Total weighted average shares outstanding for Voting Common Stock and Non-Voting Common Stock



                    &#160;




                      196,077,880




                    &#160;




                      196,077,880




                    Percent of weighted average shares outstanding of Non-Voting Common Stock



                    &#160;




                      90%



                    &#160;




                      90%



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Net earnings available to common stockholders



                    $




                      885,261




                    $




                      1,036,539




                    Voting Common Stock dividends declared



                    &#160;



                    (19,608)



                    &#160;



                    (29,412)



                    Non-Voting Common Stock dividends declared



                    &#160;



                    (7,059)



                    &#160;




                      &#x2013;




                    Undistributed earnings available to common stockholders



                    $




                      858,594




                    $




                      1,007,127




                    Undistributed earnings available to common stockholders allocated to Non-Voting Common Stock



                    $




                      772,735




                    $




                      906,414




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Undistributed earnings per share of Non-Voting Common Stock



                    $




                      4.38




                    $




                      5.14




                    Dividends declared per share of Non-Voting Common Stock



                    $




                      0.04




                    $




                      &#x2013;


                Basic and diluted earnings per share of Non-Voting Common Stock$
                      4.42
                    $
                      5.14
                    </us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">19607788</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="INF"
      unitRef="Pure">0.10</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfPriorQuarter_StatementEquityComponentsAxis_CommonStockMember"
      decimals="INF"
      unitRef="Pure">0.10</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">19608000</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">29412000</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">858594000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">1007127000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">85859000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">100713000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">4.38</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">5.14</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">1.00</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">1.50</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">5.38</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="2"
      unitRef="EPS">6.64</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember_StatementEquityComponentsAxis_CommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">196077880</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="INF"
      unitRef="Pure">0.90</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <uhal:PercentWeightedAverageSharesOutstandingCommonStock
      contextRef="EndOfPriorQuarter_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="INF"
      unitRef="Pure">0.90</uhal:PercentWeightedAverageSharesOutstandingCommonStock>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">19608000</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredVotingValue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">29412000</uhal:CommonStockDividendsDeclaredVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <uhal:CommonStockDividendsDeclaredNonVotingValue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockDividendsDeclaredNonVotingValue>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">858594000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">1007127000</us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">772735000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="-3"
      unitRef="USD">906414000</us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">4.38</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicUndistributed
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">5.14</us-gaap:EarningsPerShareBasicUndistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">0.04</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:EarningsPerShareBasicDistributed
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">0</us-gaap:EarningsPerShareBasicDistributed>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">4.42</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:IncomeLossFromContinuingOperationsPerBasicShare
      contextRef="DYPriorNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">5.14</us-gaap:IncomeLossFromContinuingOperationsPerBasicShare>
    <us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

          3. Investments


          Expected maturities may differ from contractual maturities as borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

        We deposit bonds with insurance regulatory authorities to meet statutory requirements. The adjusted cost of bonds on deposit with insurance regulatory authorities was $21.4 million and $27.1 million as of December 31, 2022 and March 31, 2022, respectively.


          Available-for-Sale Investments


          Available-for-sale investments as of December 31, 2022 were as follows:







                    &#160;






                    &#160;





                  Cost



                    Amortized






                    &#160;





                  Unrealized


                  Gains



                    Gross






                    &#160;





                  Unrealized


                  Losses More than 12 Months



                    Gross






                    &#160;





                  Unrealized


                  Losses Less than 12 Months



                    Gross






                    &#160;






                    Allowance for Expected Credit Losses






                    &#160;





                  Market


                  Value



                    Estimated








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    U.S. treasury securities and government obligations






                    $







                      353,331







                    $
                    &#160;







                      582







                    $
                    &#160;






                    (3,844)






                    $
                    &#160;






                    (7,761)






                    $
                    &#160;







                      &#x2013;







                    $
                    &#160;







                      342,308









                    U.S. government agency mortgage-backed securities






                    &#160;







                      34,920







                    &#160;







                      58







                    &#160;






                    (6,263)






                    &#160;






                    (602)






                    &#160;







                      &#x2013;







                    &#160;







                      28,113









                    Obligations of states and political subdivisions






                    &#160;







                      164,547







                    &#160;







                      503







                    &#160;






                    (3,458)






                    &#160;






                    (10,609)






                    &#160;







                      &#x2013;







                    &#160;







                      150,983









                    Corporate securities






                    &#160;







                      2,060,503







                    &#160;







                      790







                    &#160;






                    (39,556)






                    &#160;






                    (210,257)






                    &#160;






                    (2,243)






                    &#160;







                      1,809,237









                    Mortgage-backed securities






                    &#160;







                      375,819







                    &#160;







                      30







                    &#160;







                      &#x2013;







                    &#160;






                    (42,962)






                    &#160;







                      &#x2013;







                    &#160;







                      332,887









                    &#160;






                    $







                      2,989,120







                    $


                    &#160;







                      1,963







                    $


                    &#160;






                    (

                      53,121

                    )






                    $


                    &#160;






                    (

                      272,191

                    )






                    $


                    &#160;






                    (

                      2,243

                    )






                    $


                    &#160;







                      2,663,528








          Available-for-sale investments as of March 31, 2022 were as follows:







                    &#160;






                    &#160;





                  Cost



                    Amortized






                    &#160;





                  Unrealized


                  Gains



                    Gross






                    &#160;





                  Unrealized


                  Losses More than 12 Months



                    Gross






                    &#160;





                  Unrealized


                  Losses Less than 12 Months



                    Gross






                    &#160;






                    Allowance for Expected Credit Losses






                    &#160;





                  Market


                  Value



                    Estimated








                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)








                    U.S. treasury securities and government obligations






                    $







                      128,078







                    $
                    &#160;







                      7,984







                    $
                    &#160;







                      &#x2013;







                    $
                    &#160;






                    (969)






                    $
                    &#160;







                      &#x2013;







                    $
                    &#160;







                      135,093









                    U.S. government agency mortgage-backed securities






                    &#160;







                      44,678







                    &#160;







                      280







                    &#160;






                    (42)






                    &#160;






                    (3,111)






                    &#160;







                      &#x2013;







                    &#160;







                      41,805









                    Obligations of states and political subdivisions






                    &#160;







                      178,040







                    &#160;







                      15,450







                    &#160;







                      &#x2013;







                    &#160;






                    (508)






                    &#160;







                      &#x2013;







                    &#160;







                      192,982









                    Corporate securities






                    &#160;







                      1,989,212







                    &#160;







                      138,909







                    &#160;






                    (402)






                    &#160;






                    (6,604)






                    &#160;






                    (60)






                    &#160;







                      2,121,055









                    Mortgage-backed securities






                    &#160;







                      324,029







                    &#160;







                      7,671







                    &#160;






                    (1)






                    &#160;






                    (1,542)






                    &#160;







                      &#x2013;







                    &#160;







                      330,157









                    &#160;






                    $







                      2,664,037







                    $


                    &#160;







                      170,294







                    $


                    &#160;






                    (

                      445

                    )






                    $


                    &#160;






                    (

                      12,734

                    )






                    $


                    &#160;






                    (

                      60

                    )






                    $


                    &#160;







                      2,821,092








          We sold available-for-sale securities with a fair value of $

            147.6

           million during the first nine months of fiscal 2023 and $

            352.3

           million for the full year of fiscal 2022. The gross realized gains on these sales totaled $

            1.1

           million during the first nine months of fiscal 2023 and $

            9.5

           million for the full year of fiscal 2022. The gross realized losses on these sales totaled $

            0.5

           million during the first nine months of fiscal 2023 and $

            1.4

           million for the full year of fiscal 2022.


          For available-for-sale debt securities in an unrealized loss position, we first assess whether the security is below investment grade. For securities that are below investment grade, we evaluate whether the decline in fair value has resulted from credit losses or other factors such as the interest rate environment. Declines in value due to credit quality are recognized as an allowance. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse market conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, cumulative default rates based on ratings are used to determine the potential cost of default, by year. The present value of these potential costs is then compared to the amortized cost of the security to determine the credit loss, limited by the amount that the fair value is less than the amortized cost basis.

        Declines in fair value that have not been recorded through an allowance for credit losses, such as declines due to changes in market interest rates, are recorded through accumulated other comprehensive income, net of applicable taxes. If we intend to sell a security, or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the security is written down to its fair value and the write down is charged against the allowance for credit losses, with any incremental impairment reported in earnings. Reversals of the allowance for credit losses are permitted and should not exceed the allowance amount initially recognized.


          Changes in the allowance for credit losses are recorded as provision for (or reversal of) credit loss expense. There was a $

            2.2

           million net impairment charge recorded in the first nine months ended December 31, 2022.


          The adjusted cost and estimated market value of available-for-sale investments by contractual maturity were as follows:







                    &#160;






                    &#160;






                    December 31, 2022






                    &#160;






                    March 31, 2022








                    &#160;






                    &#160;





                  Cost



                    Amortized






                    &#160;





                  Market


                  Value



                    Estimated






                    &#160;





                  Cost



                    Amortized






                    &#160;





                  Market


                  Value



                    Estimated








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)








                    Due in one year or less






                    $







                      333,984







                    $







                      333,803







                    $







                      97,969







                    $







                      99,432









                    Due after one year through five years






                    &#160;







                      602,861







                    &#160;







                      575,794







                    &#160;







                      541,840







                    &#160;







                      570,135









                    Due after five years through ten years






                    &#160;







                      756,691







                    &#160;







                      674,055







                    &#160;







                      704,295







                    &#160;







                      765,073









                    Due after ten years






                    &#160;







                      919,765







                    &#160;







                      746,989







                    &#160;







                      995,904







                    &#160;







                      1,056,295









                    &#160;






                    &#160;







                      2,613,301







                    &#160;







                      2,330,641







                    &#160;







                      2,340,008







                    &#160;







                      2,490,935









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Mortgage-backed securities






                    &#160;







                      375,819







                    &#160;







                      332,887







                    &#160;







                      324,029







                    &#160;







                      330,157









                    &#160;






                    $







                      2,989,120







                    $







                      2,663,528







                    $







                      2,664,037







                    $







                      2,821,092








          &#160;


          As of December 31, 2022 and March 31, 2022, our common stock and non-redeemable preferred stock that are included in Investments, fixed maturities and marketable equities on our balance sheet are stated in the table below. The changes in the fair value of these equity investments are recognized through Net investment and interest income.


          Equity investments of common stock and non-redeemable preferred stock were as follows:







                    &#160;






                    &#160;






                    December 31, 2022






                    &#160;






                    March 31, 2022








                    &#160;






                    &#160;





                  Cost



                    Amortized






                    &#160;





                  Market


                  Value



                    Estimated






                    &#160;





                  Cost



                    Amortized






                    &#160;





                  Market


                  Value



                    Estimated








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Common stocks






                    $







                      29,686







                    $







                      37,619







                    $







                      27,674







                    $







                      46,212









                    Non-redeemable preferred stocks






                    &#160;







                      26,054







                    &#160;







                      22,054







                    &#160;







                      26,054







                    &#160;







                      26,095









                    &#160;






                    $







                      55,740







                    $







                      59,673







                    $







                      53,728







                    $







                      72,307








          &#160;


          Investments, other


          The carrying value of the other investments was as follows:



                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    March 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2022



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Mortgage loans, net



                    $




                      414,886




                    $




                      423,163




                    Short-term investments



                    &#160;




                      13,306




                    &#160;




                      30,916




                    Real estate



                    &#160;




                      71,707




                    &#160;




                      67,824




                    Policy loans



                    &#160;




                      10,680




                    &#160;




                      10,309




                    Other equity investments



                    &#160;




                      7,876




                    &#160;




                      11,543



                    &#160;

                    $


                      518,455


                    $

                      543,755
                    </us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock>
    <us-gaap:AssetsHeldByInsuranceRegulators contextRef="EndOfPriorQuarter" decimals="-5" unitRef="USD">21400000</us-gaap:AssetsHeldByInsuranceRegulators>
    <us-gaap:AssetsHeldByInsuranceRegulators contextRef="FYPriorEndYear" decimals="-5" unitRef="USD">27100000</us-gaap:AssetsHeldByInsuranceRegulators>
    <us-gaap:AvailableForSaleSecuritiesTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Amortized



                    &#160;



                    Gross



                    &#160;



                    Gross



                    &#160;



                    Gross



                    &#160;



                    Allowance for Expected Credit Losses



                    &#160;



                    Estimated



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    U.S. treasury securities and government obligations



                    $




                      353,331




                    $
                    &#160;




                      582




                    $
                    &#160;



                    (3,844)



                    $
                    &#160;



                    (7,761)



                    $
                    &#160;




                      &#x2013;




                    $
                    &#160;




                      342,308




                    U.S. government agency mortgage-backed securities



                    &#160;




                      34,920




                    &#160;




                      58




                    &#160;



                    (6,263)



                    &#160;



                    (602)



                    &#160;




                      &#x2013;




                    &#160;




                      28,113




                    Obligations of states and political subdivisions



                    &#160;




                      164,547




                    &#160;




                      503




                    &#160;



                    (3,458)



                    &#160;



                    (10,609)



                    &#160;




                      &#x2013;




                    &#160;




                      150,983




                    Corporate securities



                    &#160;




                      2,060,503




                    &#160;




                      790




                    &#160;



                    (39,556)



                    &#160;



                    (210,257)



                    &#160;



                    (2,243)



                    &#160;




                      1,809,237




                    Mortgage-backed securities



                    &#160;




                      375,819




                    &#160;




                      30




                    &#160;




                      &#x2013;




                    &#160;



                    (42,962)



                    &#160;




                      &#x2013;




                    &#160;




                      332,887


                &#160;$
                      2,989,120
                    $&#160;
                      1,963
                    $&#160;(
                      53,121
                    )$&#160;(
                      272,191
                    )$&#160;(
                      2,243
                    )$&#160;
                      2,663,528
                    </us-gaap:AvailableForSaleSecuritiesTextBlock>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">353331000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">582000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">3844000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">7761000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">342308000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">34920000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">58000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">6263000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">602000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">28113000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">164547000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">503000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">3458000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">10609000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">150983000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">2060503000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">790000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">39556000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">210257000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">2243000</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">1809237000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">375819000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">30000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">0</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">42962000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">332887000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2989120000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">1963000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">53121000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">272191000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2243000</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2663528000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesTextBlock contextRef="DYPriorYear">

                    &#160;



                    &#160;



                    Amortized



                    &#160;



                    Gross



                    &#160;



                    Gross



                    &#160;



                    Gross



                    &#160;



                    Allowance for Expected Credit Losses



                    &#160;



                    Estimated



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    U.S. treasury securities and government obligations



                    $




                      128,078




                    $
                    &#160;




                      7,984




                    $
                    &#160;




                      &#x2013;




                    $
                    &#160;



                    (969)



                    $
                    &#160;




                      &#x2013;




                    $
                    &#160;




                      135,093




                    U.S. government agency mortgage-backed securities



                    &#160;




                      44,678




                    &#160;




                      280




                    &#160;



                    (42)



                    &#160;



                    (3,111)



                    &#160;




                      &#x2013;




                    &#160;




                      41,805




                    Obligations of states and political subdivisions



                    &#160;




                      178,040




                    &#160;




                      15,450




                    &#160;




                      &#x2013;




                    &#160;



                    (508)



                    &#160;




                      &#x2013;




                    &#160;




                      192,982




                    Corporate securities



                    &#160;




                      1,989,212




                    &#160;




                      138,909




                    &#160;



                    (402)



                    &#160;



                    (6,604)



                    &#160;



                    (60)



                    &#160;




                      2,121,055




                    Mortgage-backed securities



                    &#160;




                      324,029




                    &#160;




                      7,671




                    &#160;



                    (1)



                    &#160;



                    (1,542)



                    &#160;




                      &#x2013;




                    &#160;




                      330,157


                &#160;$
                      2,664,037
                    $&#160;
                      170,294
                    $&#160;(
                      445
                    )$&#160;(
                      12,734
                    )$&#160;(
                      60
                    )$&#160;
                      2,821,092
                    </us-gaap:AvailableForSaleSecuritiesTextBlock>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">128078000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">7984000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">0</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">969000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasuryAndGovernmentMember"
      decimals="-3"
      unitRef="USD">135093000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">44678000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">280000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">42000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">3111000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"
      decimals="-3"
      unitRef="USD">41805000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">178040000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">15450000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">0</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">508000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USStatesAndPoliticalSubdivisionsMember"
      decimals="-3"
      unitRef="USD">192982000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">1989212000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">138909000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">402000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">6604000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">60000</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CorporateDebtSecuritiesMember"
      decimals="-3"
      unitRef="USD">2121055000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">324029000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">7671000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">1000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">1542000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">330157000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2664037000</us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis>
    <us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">170294000</us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">445000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue>
    <uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">12734000</uhal:AvailableForSaleInvestmentsContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue>
    <us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">60000</us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2821092000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">147600000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">352300000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">1100000</us-gaap:DebtSecuritiesAvailableForSaleRealizedGain>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">9500000</us-gaap:DebtSecuritiesAvailableForSaleRealizedGain>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">500000</us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss>
    <us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">2200000</us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities>
    <us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    December 31, 2022



                    &#160;



                    March 31, 2022



                    &#160;



                    &#160;



                    Amortized



                    &#160;



                    Estimated



                    &#160;



                    Amortized



                    &#160;



                    Estimated



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    Due in one year or less



                    $




                      333,984




                    $




                      333,803




                    $




                      97,969




                    $




                      99,432




                    Due after one year through five years



                    &#160;




                      602,861




                    &#160;




                      575,794




                    &#160;




                      541,840




                    &#160;




                      570,135




                    Due after five years through ten years



                    &#160;




                      756,691




                    &#160;




                      674,055




                    &#160;




                      704,295




                    &#160;




                      765,073




                    Due after ten years



                    &#160;




                      919,765




                    &#160;




                      746,989




                    &#160;




                      995,904




                    &#160;




                      1,056,295




                    &#160;



                    &#160;




                      2,613,301




                    &#160;




                      2,330,641




                    &#160;




                      2,340,008




                    &#160;




                      2,490,935




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Mortgage-backed securities



                    &#160;




                      375,819




                    &#160;




                      332,887




                    &#160;




                      324,029




                    &#160;




                      330,157


                &#160;$
                      2,989,120
                    $
                      2,663,528
                    $
                      2,664,037
                    $
                      2,821,092
                    </us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">333984000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">333803000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">97969000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">99432000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">602861000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">575794000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">541840000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">570135000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">756691000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">674055000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">704295000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">765073000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">919765000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">746989000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">995904000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">1056295000</us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">2613301000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">2330641000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">2340008000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_USTreasurySecuritiesMember"
      decimals="-3"
      unitRef="USD">2490935000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">375819000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">332887000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">324029000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_MortgageBackedSecuritiesMember"
      decimals="-3"
      unitRef="USD">330157000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2989120000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2663528000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2664037000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2821092000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    December 31, 2022



                    &#160;



                    March 31, 2022



                    &#160;



                    &#160;



                    Amortized



                    &#160;



                    Estimated



                    &#160;



                    Amortized



                    &#160;



                    Estimated



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Common stocks



                    $




                      29,686




                    $




                      37,619




                    $




                      27,674




                    $




                      46,212




                    Non-redeemable preferred stocks



                    &#160;




                      26,054




                    &#160;




                      22,054




                    &#160;




                      26,054




                    &#160;




                      26,095


                &#160;$
                      55,740
                    $
                      59,673
                    $
                      53,728
                    $
                      72,307
                    </us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock>
    <us-gaap:EquitySecuritiesFvNiCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">29686000</us-gaap:EquitySecuritiesFvNiCost>
    <us-gaap:EquitySecuritiesFvNi
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">37619000</us-gaap:EquitySecuritiesFvNi>
    <us-gaap:EquitySecuritiesFvNiCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">27674000</us-gaap:EquitySecuritiesFvNiCost>
    <us-gaap:EquitySecuritiesFvNi
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_CommonStockMember"
      decimals="-3"
      unitRef="USD">46212000</us-gaap:EquitySecuritiesFvNi>
    <us-gaap:EquitySecuritiesFvNiCost
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_NonredeemablePreferredStockMember"
      decimals="-3"
      unitRef="USD">26054000</us-gaap:EquitySecuritiesFvNiCost>
    <us-gaap:EquitySecuritiesFvNi
      contextRef="EndOfCurrentQuarter_FinancialInstrumentAxis_NonredeemablePreferredStockMember"
      decimals="-3"
      unitRef="USD">22054000</us-gaap:EquitySecuritiesFvNi>
    <us-gaap:EquitySecuritiesFvNiCost
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_NonredeemablePreferredStockMember"
      decimals="-3"
      unitRef="USD">26054000</us-gaap:EquitySecuritiesFvNiCost>
    <us-gaap:EquitySecuritiesFvNi
      contextRef="FYPriorEndYear_FinancialInstrumentAxis_NonredeemablePreferredStockMember"
      decimals="-3"
      unitRef="USD">26095000</us-gaap:EquitySecuritiesFvNi>
    <us-gaap:EquitySecuritiesFvNiCost
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">55740000</us-gaap:EquitySecuritiesFvNiCost>
    <us-gaap:EquitySecuritiesFvNi
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">59673000</us-gaap:EquitySecuritiesFvNi>
    <us-gaap:EquitySecuritiesFvNiCost contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">53728000</us-gaap:EquitySecuritiesFvNiCost>
    <us-gaap:EquitySecuritiesFvNi contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">72307000</us-gaap:EquitySecuritiesFvNi>
    <us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsTableTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    December 31,





                    &#160;





                    March 31,





                    &#160;





                    &#160;





                    2022





                    &#160;





                    2022





                    &#160;





                    &#160;





                    (Unaudited)





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    (In thousands)





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    Mortgage loans, net





                    $






                      414,886






                    $






                      423,163






                    Short-term investments





                    &#160;






                      13,306






                    &#160;






                      30,916






                    Real estate





                    &#160;






                      71,707






                    &#160;






                      67,824






                    Policy loans





                    &#160;






                      10,680






                    &#160;






                      10,309






                    Other equity investments





                    &#160;






                      7,876






                    &#160;






                      11,543



              &#160;$
                      518,455
                    $

                      543,755

                  </us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsTableTextBlock>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">414886000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">423163000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:OtherShortTermInvestments
      contextRef="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">13306000</us-gaap:OtherShortTermInvestments>
    <us-gaap:OtherShortTermInvestments
      contextRef="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">30916000</us-gaap:OtherShortTermInvestments>
    <us-gaap:RealEstateInvestmentPropertyAtCost
      contextRef="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">71707000</us-gaap:RealEstateInvestmentPropertyAtCost>
    <us-gaap:RealEstateInvestmentPropertyAtCost
      contextRef="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">67824000</us-gaap:RealEstateInvestmentPropertyAtCost>
    <us-gaap:LoansInsurancePolicy
      contextRef="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">10680000</us-gaap:LoansInsurancePolicy>
    <us-gaap:LoansInsurancePolicy
      contextRef="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">10309000</us-gaap:LoansInsurancePolicy>
    <us-gaap:OtherInvestments
      contextRef="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">7876000</us-gaap:OtherInvestments>
    <us-gaap:OtherInvestments
      contextRef="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">11543000</us-gaap:OtherInvestments>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">518455000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="FYPriorEndYear_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-3"
      unitRef="USD">543755000</us-gaap:Investments>
    <us-gaap:DebtDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

          4. Borrowings


          Long-Term Debt


          Long-term debt was as follows:







                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    December 31,






                    &#160;






                    March 31,








                    &#160;






                    2023 Rates






                    &#160;






                    &#160;






                    Maturities






                    &#160;






                    2022






                    &#160;






                    2022








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    (In thousands)








                    Real estate loan (amortizing term) (a)







                      4.29







                    %






                    -







                      5.60







                    %






                    &#160;







                      2027







                    -







                      2037







                    $







                      292,617







                    $
                    &#160;







                      50,259









                    Senior mortgages







                      2.70







                    %






                    -







                      5.50







                    %






                    &#160;







                      2024







                    -







                      2042







                    &#160;







                      2,389,419







                    &#160;







                      2,206,268









                    Real estate loans (revolving credit)







                      &#x2013;







                    %






                    -







                      &#x2013;







                    %






                    &#160;






                    &#160;






                    &#160;







                      2027







                    &#160;







                      &#x2013;







                    &#160;







                      535,000









                    Fleet loans (amortizing term)







                      1.61







                    %






                    -







                      5.68







                    %






                    &#160;







                      2023







                    -







                      2029







                    &#160;







                      123,986







                    &#160;







                      124,651









                    Fleet loans (revolving credit)







                      2.36







                    %






                    -







                      5.44







                    %






                    &#160;







                      2025







                    -







                      2027







                    &#160;







                      615,000







                    &#160;







                      560,000









                    Finance leases (rental equipment)







                      2.16







                    %






                    -







                      5.04







                    %






                    &#160;







                      2023







                    -







                      2026







                    &#160;







                      252,102







                    &#160;







                      347,393









                    Finance liabilities (rental equipment)







                      1.60







                    %






                    -







                      5.98







                    %






                    &#160;







                      2024







                    -







                      2030







                    &#160;







                      1,286,299







                    &#160;







                      949,936









                    Private placements







                      2.43







                    %






                    -







                      2.88







                    %






                    &#160;







                      2029







                    -







                      2035







                    &#160;







                      1,200,000







                    &#160;







                      1,200,000









                    Other obligations







                      1.50







                    %






                    -







                      8.00







                    %






                    &#160;







                      2023







                    -







                      2049







                    &#160;







                      77,399







                    &#160;







                      86,206









                    Notes, loans and finance leases payable






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;







                      6,236,822







                    &#160;







                      6,059,713









                    Less: Debt issuance costs






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    (36,425)






                    &#160;






                    (37,216)








                    Total notes, loans and finance leases payable, net






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    $







                      6,200,397







                    $
                    &#160;







                      6,022,497









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    (a) Certain loans have interest rate swaps fixing the rates between 2.72% and 2.86% based on current margins.






                    &#160;






                    &#160;






                    &#160;







          &#160;


          Real Estate Backed Loans


          Real Estate Loans


          Certain subsidiaries of Real Estate and U-Haul Company of Florida are borrowers under real estate loans. These loans require monthly or quarterly principal and interest payments, with the unpaid loan balance and accrued and unpaid interest due at maturity. These loans are secured by various properties owned by the borrowers. The interest rates, per the provisions of $

            208.5

           million of these loans, are the applicable Secured Overnight Funding Rate (&#x201c;SOFR&#x201d;) plus the applicable margins and a credit spread adjustment of

            0.10

          %. As of December 31, 2022, the applicable SOFR was between

            3.79

          % and

            4.12

          % and applicable margin was between

            0.65

          % and

            1.38

          %, the sum of which, including the credit spread, was between

            4.54

          % and

            5.60

          %. The remaining $

            84.2

           million of these loans was fixed with an interest rate of

            4.29

          %. The default provisions of these real estate loans include non-payment of principal or interest and other standard reporting and change-in-control covenants.


          Senior Mortgages

        Various subsidiaries of Real Estate and U-Haul are borrowers under certain senior mortgages. The senior mortgages require monthly principal and interest payments. The senior mortgages are secured by certain properties owned by the borrowers. The fixed interest rates, per the provisions of the senior mortgages, range between 2.70% and 5.50%. The weighted average interest rate of these loans as of December 31, 2022 was 4.09%.&#160; Certain senior mortgages have an anticipated repayment date and a maturity date. If these senior mortgages are not repaid by the anticipated repayment date, the interest rate on these mortgages would increase from the current fixed rate. We are using the anticipated repayment date for our maturity schedule. Real Estate and U-Haul have provided limited guarantees of the senior mortgages. The default provisions of the senior mortgages include non-payment of principal or interest and other standard reporting and change-in-control covenants. There are limited restrictions regarding our use of the funds.


          Real Estate Loan (Revolving Credit)


          U-Haul Holding Company is a borrower under a real estate loan. As of December 31, 2022, the maximum credit commitment is $

            465.0

           million. As of December 31, 2022, the full capacity was available to borrow. This loan agreement provides for revolving loans, subject to the terms of the loan agreement. This loan requires monthly interest payments with the unpaid loan balance and accrued and unpaid interest due at maturity. The default provisions of the loan include non-payment of principal or interest and other standard reporting and change-in-control covenants. There is a

            0.30

          % fee charged for unused capacity. This loan was amended in October 2022 and the maximum credit limit was increased from $

            150

           million to $

            465

           million, the maturity extended to October 2027 and LIBOR based rates were replaced with SOFR based rates.


          Fleet Loans


          Rental Truck Amortizing Loans


          The amortizing loans require monthly principal and interest payments, with the unpaid loan balance and accrued and unpaid interest due at maturity. These loans were used to purchase new trucks. The interest rates, per the provision of the loan agreements, are carried at fixed rates ranging between

            1.61

          % and

            5.68

          %.
          &#160;
          All of our rental truck amortizing loans are collateralized by the rental equipment purchased.
          &#160;
          The majority of these loans are funded at 70%, but some may be funded at 100%.


          U-Haul Holding Company, and in some cases U-Haul, is guarantor of these loans. The default provisions of these loans include non-payment of principal or interest and other standard reporting and change-in-control covenants.


          Rental Truck Revolvers


          Various subsidiaries of U-Haul entered into three revolving fleet loans with an aggregate borrowing capacity of $

            615.0

           million. The aggregate outstanding balance for these revolvers as of December 31, 2022 was $

            615.0

           million. The interest rates, per the provision of the loan agreements, are SOFR plus the applicable margin and a credit spread adjustment of

            0.10

          %. As of December 31, 2022,
          &#160;
          SOFR was between

            3.70

          % and

            4.12

          % and the margin was between

            1.15

          % and

            1.25

          %, the sum of which, including the credit spread, was between

            4.95

          % and

            5.44

          %. Of the $

            615.0

           million outstanding, $

            100.0

           million was fixed with an interest rate of

            2.36

          %. Only interest is paid on the loans until the last nine months of the respective loan terms when principal becomes due monthly.


          Finance Leases


          The Finance Lease balance represents our sale-leaseback transactions of rental equipment. The agreements are generally

            seven (7) year terms

           with interest rates ranging from

            2.16

          % to

            5.04

          %.
          &#160;
           All of our finance leases are collateralized by our rental fleet. The net book value of the corresponding rental equipment was $

            504.6

           million and $

            620.8

           million as of December 31, 2022 and March 31, 2022, respectively. There were no new financing leases, as assessed under the new leasing guidance, entered into during the first nine months of fiscal 2023.


          Finance Liabilities

        Finance liabilities represent our rental equipment financing transactions, and we assess if these sale-leaseback transactions qualify as a sale at initiation by determining if a transfer of ownership occurs.&#160; We have determined that our equipment sale-leasebacks do not qualify as a sale, as the buyer-lessors do not obtain control of the assets in our ongoing sale-leaseback arrangements. As a result, these sale-leasebacks are accounted for as a financial liability and the leased assets are capitalized at cost.&#160;&#160; Our finance liabilities have an average term of seven (7) years and interest rates ranging from 1.60% to 5.98%. These finance liabilities are collateralized by the related assets of our rental fleet.&#160;The net book value of the corresponding rental equipment was $1,399.5 million and $1,068.3 million as of December 31, 2022 and March 31, 2022, respectively.


          Private Placements


          In September 2021, U-Haul Holding Company entered into a note purchase agreement to issue $

            600.0

           million of fixed rate senior unsecured notes in a private placement offering.
          &#160;
          These notes consist of four tranches each totaling $

            150.0

           million and funded in September 2021.
          &#160;
          The fixed interest rates range between

            2.43

          % and

            2.78

          % with maturities between

            2029

           and

            2033

          .
          &#160;
          Interest is payable semiannually.
          &#160;


          In December 2021, U-Haul Holding Company entered into a note purchase agreement to issue $

            600.0

           million of fixed rate senior unsecured notes in a private placement offering. These notes consist of three tranches each totaling $

            100.0

           million and two tranches each totaling $

            150.0

           million.
          &#160;
          The fixed interest rates range between

            2.55

          % and

            2.88

          % with maturities between

            2030

           and

            2035

          .
          &#160;
          Interest is payable semiannually.
          &#160;


          Other Obligations


          In February 2011, U-Haul Holding Company and U.S. Bank Trust Company, NA, as successor in interest to U.S. Bank National Association (the &#x201c;Trustee&#x201d;), entered into the U-Haul Investors Club
          &#xae;
           Indenture.
          &#160;
           U-Haul Holding Company and the Trustee entered into this indenture to provide for the issuance of notes by us directly to investors over our proprietary website, uhaulinvestorsclub.com (&#x201c;U-Notes
          &#xae;
          &#x201d;). The U-Notes
          &#xae;
           are secured by various types of collateral, including, but not limited to, certain rental equipment and real estate.
          &#160;
           U-Notes
          &#xae;
           are issued in smaller series that vary as to principal amount, interest rate and maturity.
          &#160;
           U-Notes
          &#xae;
           are obligations of the Company and secured by the associated collateral; they are not guaranteed by any of the Company&#x2019;s affiliates or subsidiaries.


          As of December 31, 2022, the aggregate outstanding principal balance of the U-Notes
          &#xae;
           issued was $

            79.2

           million, of which $

            1.8

           million is held by our insurance subsidiaries and eliminated in consolidation. Interest rates range between

            1.50

          % and

            8.00

          % and maturity dates range between

            2023

           and

            2049

          .


          Oxford is a member of the Federal Home Loan Bank (&#x201c;FHLB&#x201d;) and, as such, the FHLB has made deposits with Oxford. As of September 30, 2022, the deposits had an aggregate balance of $

            60.0

           million, for which Oxford pays fixed interest rates between

            0.69

          % and

            4.21

          % with maturities between March 30, 2023 and September 30, 2027. As of September 30, 2022, available-for-sale investments held with the FHLB totaled $

            88.9

           million, of which $

            62.8

           million were pledged as collateral to secure the outstanding advances. The balances of these advances are included within Liabilities from investment contracts on the condensed consolidated balance sheets.


          Annual Maturities of Notes, Loans and Finance Leases Payable


          The annual maturities of our notes, loans and finance leases payable, before debt issuance costs, as of December 31, 2022 for the next five years and thereafter are as follows:







                    &#160;






                    &#160;






                    Year Ending December 31,








                    &#160;






                    &#160;






                    2023






                    &#160;






                    2024






                    &#160;






                    2025






                    &#160;






                    2026






                    &#160;






                    2027






                    &#160;






                    Thereafter






                    &#160;






                    Total








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)






                    &#160;






                    &#160;








                    Notes, loans and finance leases payable, secured






                    $







                      517,406







                    $







                      693,638







                    $







                      596,395







                    $







                      861,298







                    $







                      771,004







                    $







                      2,797,081







                    $







                      6,236,822










          Interest on Borrowings


          Interest Expense


          Components of interest expense include the following:







                    &#160;






                    &#160;






                    Quarter Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    Interest expense






                    $







                      60,978







                    $







                      43,850









                    Capitalized interest






                    &#160;






                    (3,818)






                    &#160;






                    (2,222)








                    Amortization of transaction costs






                    &#160;







                      2,336







                    &#160;







                      1,407









                    Interest expense resulting from cash flow hedges






                    &#160;






                    (455)






                    &#160;







                      1,007









                    Total interest expense






                    $







                      59,041







                    $







                      44,042








          &#160;







                    &#160;






                    &#160;






                    Nine Months Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    Interest expense






                    $







                      168,987







                    $







                      122,589









                    Capitalized interest






                    &#160;






                    (8,684)






                    &#160;






                    (6,974)








                    Amortization of transaction costs






                    &#160;







                      5,596







                    &#160;







                      4,153









                    Interest expense resulting from cash flow hedges






                    &#160;







                      134







                    &#160;







                      2,997









                    Total interest expense






                    $







                      166,033







                    $







                      122,765








          &#160;


          Interest paid in cash, including payments related to derivative contracts, amounted to $

            51.3

           million and $

            41.1

           million for the third quarter of fiscal 2023 and 2022, respectively, and $

            156.8

           million and $

            122.8

           million for the first nine months of fiscal 2023 and 2022, respectively.


          Interest Rates


          Interest rates and Company borrowings related to our revolving credit facilities were as follows:


          &#160;







                    &#160;






                    &#160;






                    Revolving Credit Activity






                    &#160;








                    &#160;






                    &#160;






                    Quarter Ended December 31,






                    &#160;








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021






                    &#160;








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;








                    &#160;






                    &#160;






                    (In thousands, except interest rates)






                    &#160;








                    Weighted average interest rate during the period






                    &#160;







                      4.68







                    %







                      1.38







                    %








                    Interest rate at the end of the period






                    &#160;







                      5.28







                    %







                      1.39







                    %








                    Maximum amount outstanding during the period






                    $







                      765,000







                    $







                      1,085,000







                    &#160;








                    Average amount outstanding during the period






                    $







                      710,109







                    $







                      1,081,283







                    &#160;








                    Facility fees






                    $







                      270







                    $







                      66







                    &#160;









          &#160;



                    &#160;



                    &#160;



                    Revolving Credit Activity



                    &#160;



                    &#160;



                    &#160;



                    Nine Months Ended December 31,



                    &#160;



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    (In thousands, except interest rates)



                    &#160;



                    Weighted average interest rate during the period



                    &#160;




                      3.34




                    %




                      1.38




                    %



                    Interest rate at the end of the period



                    &#160;




                      5.28




                    %




                      1.39




                    %



                    Maximum amount outstanding during the period



                    $




                      1,105,000




                    $




                      1,093,000




                    &#160;



                    Average amount outstanding during the period



                    $




                      892,680




                    $




                      1,081,571




                    &#160;


                    Facility fees

                    $


                      439


                    $


                      198

                  &#160;</us-gaap:DebtDisclosureTextBlock>
    <us-gaap:ScheduleOfDebtTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    March 31,



                    &#160;



                    2023 Rates



                    &#160;



                    &#160;



                    Maturities



                    &#160;



                    2022



                    &#160;



                    2022



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    Real estate loan (amortizing term) (a)




                      4.29




                    %



                    -




                      5.60




                    %



                    &#160;




                      2027




                    -




                      2037




                    $




                      292,617




                    $
                    &#160;




                      50,259




                    Senior mortgages




                      2.70




                    %



                    -




                      5.50




                    %



                    &#160;




                      2024




                    -




                      2042




                    &#160;




                      2,389,419




                    &#160;




                      2,206,268




                    Real estate loans (revolving credit)




                      &#x2013;




                    %



                    -




                      &#x2013;




                    %



                    &#160;



                    &#160;



                    &#160;




                      2027




                    &#160;




                      &#x2013;




                    &#160;




                      535,000




                    Fleet loans (amortizing term)




                      1.61




                    %



                    -




                      5.68




                    %



                    &#160;




                      2023




                    -




                      2029




                    &#160;




                      123,986




                    &#160;




                      124,651




                    Fleet loans (revolving credit)




                      2.36




                    %



                    -




                      5.44




                    %



                    &#160;




                      2025




                    -




                      2027




                    &#160;




                      615,000




                    &#160;




                      560,000




                    Finance leases (rental equipment)




                      2.16




                    %



                    -




                      5.04




                    %



                    &#160;




                      2023




                    -




                      2026




                    &#160;




                      252,102




                    &#160;




                      347,393




                    Finance liabilities (rental equipment)




                      1.60




                    %



                    -




                      5.98




                    %



                    &#160;




                      2024




                    -




                      2030




                    &#160;




                      1,286,299




                    &#160;




                      949,936




                    Private placements




                      2.43




                    %



                    -




                      2.88




                    %



                    &#160;




                      2029




                    -




                      2035




                    &#160;




                      1,200,000




                    &#160;




                      1,200,000




                    Other obligations




                      1.50




                    %



                    -




                      8.00




                    %



                    &#160;




                      2023




                    -




                      2049




                    &#160;




                      77,399




                    &#160;




                      86,206




                    Notes, loans and finance leases payable



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;




                      6,236,822




                    &#160;




                      6,059,713




                    Less: Debt issuance costs



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (36,425)



                    &#160;



                    (37,216)



                    Total notes, loans and finance leases payable, net



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    $




                      6,200,397




                    $
                    &#160;




                      6,022,497




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;

                (a) Certain loans have interest rate swaps fixing the rates between 2.72% and 2.86% based on current margins.&#160;&#160;&#160;</us-gaap:ScheduleOfDebtTableTextBlock>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MortgagesMember"
      decimals="4"
      unitRef="Pure">0.0429</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MortgagesMember"
      decimals="4"
      unitRef="Pure">0.0560</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_MortgagesMember">2027</uhal:MaturityStartYear>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_MortgagesMember">2037</uhal:MaturityYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_MortgagesMember"
      decimals="-3"
      unitRef="USD">292617000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_MortgagesMember"
      decimals="-3"
      unitRef="USD">50259000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_SeniorLoansMember"
      decimals="4"
      unitRef="Pure">0.0270</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_SeniorLoansMember"
      decimals="4"
      unitRef="Pure">0.0550</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_SeniorLoansMember">2024</uhal:MaturityStartYear>
    <uhal:MaturityEndYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_SeniorLoansMember">2042</uhal:MaturityEndYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_SeniorLoansMember"
      decimals="-3"
      unitRef="USD">2389419000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_SeniorLoansMember"
      decimals="-3"
      unitRef="USD">2206268000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_LineOfCreditMember"
      decimals="4"
      unitRef="Pure">0</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_LineOfCreditMember"
      decimals="4"
      unitRef="Pure">0</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_LineOfCreditMember">2027</uhal:MaturityYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_LineOfCreditMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_LineOfCreditMember"
      decimals="-3"
      unitRef="USD">535000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MediumTermNotesMember"
      decimals="4"
      unitRef="Pure">0.0161</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MediumTermNotesMember"
      decimals="4"
      unitRef="Pure">0.0568</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_MediumTermNotesMember">2023</uhal:MaturityStartYear>
    <uhal:MaturityEndYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_MediumTermNotesMember">2029</uhal:MaturityEndYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_MediumTermNotesMember"
      decimals="-3"
      unitRef="USD">123986000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_MediumTermNotesMember"
      decimals="-3"
      unitRef="USD">124651000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember"
      decimals="4"
      unitRef="Pure">0.0236</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember"
      decimals="4"
      unitRef="Pure">0.0544</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">2025</uhal:MaturityStartYear>
    <uhal:MaturityEndYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember">2027</uhal:MaturityEndYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember"
      decimals="-3"
      unitRef="USD">615000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_FleetLoansRevolvingCreditMember"
      decimals="-3"
      unitRef="USD">560000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="4"
      unitRef="Pure">0.0216</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="4"
      unitRef="Pure">0.0504</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">2023</uhal:MaturityStartYear>
    <uhal:MaturityEndYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">2026</uhal:MaturityEndYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="-3"
      unitRef="USD">252102000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="-3"
      unitRef="USD">347393000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="4"
      unitRef="Pure">0.0160</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="4"
      unitRef="Pure">0.0598</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_FinanceLeaseMember">2024</uhal:MaturityStartYear>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_FinanceLeaseMember">2030</uhal:MaturityYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">1286299000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">949936000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="4"
      unitRef="Pure">0.0243</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="4"
      unitRef="Pure">0.0288</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_UnsecuredDebtMember">2029</uhal:MaturityStartYear>
    <uhal:MaturityEndYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_UnsecuredDebtMember">2035</uhal:MaturityEndYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="-3"
      unitRef="USD">1200000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="-3"
      unitRef="USD">1200000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember"
      decimals="4"
      unitRef="Pure">0.0150</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <us-gaap:LongTermDebtPercentageBearingFixedInterestRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember"
      decimals="4"
      unitRef="Pure">0.0800</us-gaap:LongTermDebtPercentageBearingFixedInterestRate>
    <uhal:MaturityStartYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">2023</uhal:MaturityStartYear>
    <uhal:MaturityEndYear contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember">2049</uhal:MaturityEndYear>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember"
      decimals="-3"
      unitRef="USD">77399000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember"
      decimals="-3"
      unitRef="USD">86206000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DeferredFinanceCostsNoncurrentGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6236822000</us-gaap:DeferredFinanceCostsNoncurrentGross>
    <us-gaap:DeferredFinanceCostsNoncurrentGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">6059713000</us-gaap:DeferredFinanceCostsNoncurrentGross>
    <us-gaap:AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">36425000</us-gaap:AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts>
    <us-gaap:AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">37216000</us-gaap:AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts>
    <us-gaap:DeferredFinanceCostsNoncurrentNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6200397000</us-gaap:DeferredFinanceCostsNoncurrentNet>
    <us-gaap:DeferredFinanceCostsNoncurrentNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">6022497000</us-gaap:DeferredFinanceCostsNoncurrentNet>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember"
      decimals="-5"
      unitRef="USD">208500000</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember"
      decimals="4"
      unitRef="Pure">0.0010</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="4"
      unitRef="Pure">0.0379</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="4"
      unitRef="Pure">0.0412</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <uhal:ApplicableMarginPerLoanAgreementMaximumRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="4"
      unitRef="Pure">0.0065</uhal:ApplicableMarginPerLoanAgreementMaximumRate>
    <uhal:ApplicableMarginPerLoanAgreementMaximumRate
      contextRef="EndOfCurrentQuarter"
      decimals="4"
      unitRef="Pure">0.0138</uhal:ApplicableMarginPerLoanAgreementMaximumRate>
    <uhal:ApplicableMarginsHighRate
      contextRef="EndOfCurrentQuarter"
      decimals="4"
      unitRef="Pure">0.0454</uhal:ApplicableMarginsHighRate>
    <uhal:ApplicableMarginsHighRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="4"
      unitRef="Pure">0.0560</uhal:ApplicableMarginsHighRate>
    <us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember"
      decimals="-5"
      unitRef="USD">84200000</us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_MortgagesMember_StatementBusinessSegmentsAxis_AmercoRealEstateSubsidiariesAndUhaulCompanyOfFloridaMember"
      decimals="4"
      unitRef="Pure">0.0429</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_SeniorLoansMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0270</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_SeniorLoansMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0550</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtWeightedAverageInterestRate
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_SeniorLoansMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0409</us-gaap:DebtWeightedAverageInterestRate>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RevolvingCreditFacilityMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="-5"
      unitRef="USD">465000000.0</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:PropertyManagementFeePercentFee
      contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_RevolvingCreditFacilityMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="4"
      unitRef="Pure">0.0030</us-gaap:PropertyManagementFeePercentFee>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RevolvingCreditFacilityMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="-5"
      unitRef="USD">150000000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <uhal:DebtInstrumentOriginalFaceAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RevolvingCreditFacilityMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember_VariableRateAxis_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"
      decimals="-5"
      unitRef="USD">465000000</uhal:DebtInstrumentOriginalFaceAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_MediumTermNotesMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="4"
      unitRef="Pure">0.0161</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_MediumTermNotesMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="4"
      unitRef="Pure">0.0568</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="-5"
      unitRef="USD">615000000.0</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="-5"
      unitRef="USD">615000000.0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0010</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0370</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0412</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <uhal:ApplicableMarginPerLoanAgreementMaximumRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0115</uhal:ApplicableMarginPerLoanAgreementMaximumRate>
    <uhal:ApplicableMarginPerLoanAgreementMaximumRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0125</uhal:ApplicableMarginPerLoanAgreementMaximumRate>
    <uhal:ApplicableMarginsHighRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0495</uhal:ApplicableMarginsHighRate>
    <uhal:ApplicableMarginsHighRate
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0544</uhal:ApplicableMarginsHighRate>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="-5"
      unitRef="USD">615000000.0</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <us-gaap:LoansReceivableWithFixedRatesOfInterest1
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="-5"
      unitRef="USD">100000000.0</us-gaap:LoansReceivableWithFixedRatesOfInterest1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_RentalTruckRevolversMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoRealEstateAndUhaulIntlMember"
      decimals="4"
      unitRef="Pure">0.0236</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:SaleLeasebackTransactionLeaseTerms contextRef="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_FinanceLeaseMember">seven (7) year terms</us-gaap:SaleLeasebackTransactionLeaseTerms>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="4"
      unitRef="Pure">0.0216</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="4"
      unitRef="Pure">0.0504</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:PropertyPlantAndEquipmentOtherNet
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="-5"
      unitRef="USD">504600000</us-gaap:PropertyPlantAndEquipmentOtherNet>
    <us-gaap:PropertyPlantAndEquipmentOtherNet
      contextRef="FYPriorEndYear_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_FinanceLeaseMember"
      decimals="-5"
      unitRef="USD">620800000</us-gaap:PropertyPlantAndEquipmentOtherNet>
    <us-gaap:SaleLeasebackTransactionLeaseTerms contextRef="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember">seven (7) years</us-gaap:SaleLeasebackTransactionLeaseTerms>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="4"
      unitRef="Pure">0.0160</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="4"
      unitRef="Pure">0.0598</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:PropertyPlantAndEquipmentOtherNet
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="-5"
      unitRef="USD">1399500000</us-gaap:PropertyPlantAndEquipmentOtherNet>
    <us-gaap:PropertyPlantAndEquipmentOtherNet
      contextRef="FYPriorEndYear_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_CapitalLeaseObligationsMember"
      decimals="-5"
      unitRef="USD">1068300000</us-gaap:PropertyPlantAndEquipmentOtherNet>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="-5"
      unitRef="USD">600000000.0</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:OtherBorrowings
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="-5"
      unitRef="USD">150000000.0</us-gaap:OtherBorrowings>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="4"
      unitRef="Pure">0.0243</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember"
      decimals="4"
      unitRef="Pure">0.0278</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">2029</uhal:MaturityYear>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_ConsolidatedEntitiesAxis_ParentCompanyMember_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember">2033</uhal:MaturityYear>
    <us-gaap:LineOfCreditFacilityIncreaseDecreaseOtherNet
      contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="-5"
      unitRef="USD">600000000.0</us-gaap:LineOfCreditFacilityIncreaseDecreaseOtherNet>
    <us-gaap:CapitalLeaseObligationsIncurred
      contextRef="DYCurrentNineMonthsToDate_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="-5"
      unitRef="USD">100000000.0</us-gaap:CapitalLeaseObligationsIncurred>
    <us-gaap:LoansReceivableWithFixedRatesOfInterest1
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="-5"
      unitRef="USD">150000000.0</us-gaap:LoansReceivableWithFixedRatesOfInterest1>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="4"
      unitRef="Pure">0.0255</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember"
      decimals="4"
      unitRef="Pure">0.0288</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_RangeAxis_MinimumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">2030</uhal:MaturityYear>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_RangeAxis_MaximumMember_LongtermDebtTypeAxis_UnsecuredDebtMember_StatementBusinessSegmentsAxis_UhaulIntlAndSubsidiariesMember">2035</uhal:MaturityYear>
    <us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember"
      decimals="-5"
      unitRef="USD">79200000</us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity>
    <uhal:SubsidiariesShareOfDebtPurchasedFromParent
      contextRef="EndOfCurrentQuarter_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember"
      decimals="-5"
      unitRef="USD">1800000</uhal:SubsidiariesShareOfDebtPurchasedFromParent>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember"
      decimals="4"
      unitRef="Pure">0.0150</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="EndOfCurrentQuarter_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember"
      decimals="4"
      unitRef="Pure">0.0800</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_RangeAxis_MinimumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">2023</uhal:MaturityYear>
    <uhal:MaturityYear contextRef="DYCurrentNineMonthsToDate_RangeAxis_MaximumMember_LongtermDebtTypeAxis_CollateralizedDebtObligationsMember_StatementBusinessSegmentsAxis_AmercoUsBankNationalAssociationTrusteeMember">2049</uhal:MaturityYear>
    <us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch
      contextRef="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-5"
      unitRef="USD">60000000.0</us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch>
    <us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
      contextRef="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_RangeAxis_MinimumMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="4"
      unitRef="Pure">0.0069</us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate>
    <us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
      contextRef="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_RangeAxis_MaximumMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="4"
      unitRef="Pure">0.0421</us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate>
    <us-gaap:AvailableForSaleSecuritiesEquitySecuritiesNoncurrent
      contextRef="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-5"
      unitRef="USD">88900000</us-gaap:AvailableForSaleSecuritiesEquitySecuritiesNoncurrent>
    <us-gaap:DebtSecuritiesAvailableForSaleRestricted
      contextRef="EndOfQuarterTwo_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_FederalHomeLoanBankOfSanFranciscoMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-5"
      unitRef="USD">62800000</us-gaap:DebtSecuritiesAvailableForSaleRestricted>
    <us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Year Ending December 31,



                    &#160;



                    &#160;



                    2023



                    &#160;



                    2024



                    &#160;



                    2025



                    &#160;



                    2026



                    &#160;



                    2027



                    &#160;



                    Thereafter



                    &#160;



                    Total



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;

                Notes, loans and finance leases payable, secured$
                      517,406
                    $
                      693,638
                    $
                      596,395
                    $
                      861,298
                    $
                      771,004
                    $
                      2,797,081
                    $
                      6,236,822
                    </us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">517406000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">693638000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">596395000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">861298000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">771004000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2797081000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive>
    <us-gaap:LongTermDebt
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6236822000</us-gaap:LongTermDebt>
    <uhal:InterestExpenseDisclosureTextBlock contextRef="DYCurrentQuarterToDate">

                    &#160;



                    &#160;



                    Quarter Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    Interest expense



                    $




                      60,978




                    $




                      43,850




                    Capitalized interest



                    &#160;



                    (3,818)



                    &#160;



                    (2,222)



                    Amortization of transaction costs



                    &#160;




                      2,336




                    &#160;




                      1,407




                    Interest expense resulting from cash flow hedges



                    &#160;



                    (455)



                    &#160;




                      1,007


                Total interest expense$
                      59,041
                    $
                      44,042
                    </uhal:InterestExpenseDisclosureTextBlock>
    <us-gaap:InterestExpenseDebtExcludingAmortization
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">60978000</us-gaap:InterestExpenseDebtExcludingAmortization>
    <us-gaap:InterestExpenseDebtExcludingAmortization
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">43850000</us-gaap:InterestExpenseDebtExcludingAmortization>
    <us-gaap:InterestCostsCapitalizedAdjustment
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">3818000</us-gaap:InterestCostsCapitalizedAdjustment>
    <us-gaap:InterestCostsCapitalizedAdjustment
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">2222000</us-gaap:InterestCostsCapitalizedAdjustment>
    <us-gaap:AmortizationOfDebtDiscountPremium
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">2336000</us-gaap:AmortizationOfDebtDiscountPremium>
    <us-gaap:AmortizationOfDebtDiscountPremium
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1407000</us-gaap:AmortizationOfDebtDiscountPremium>
    <uhal:DerivativeGainLossOnDerivative
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">-455000</uhal:DerivativeGainLossOnDerivative>
    <uhal:DerivativeGainLossOnDerivative
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1007000</uhal:DerivativeGainLossOnDerivative>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">59041000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">44042000</us-gaap:InterestExpense>
    <uhal:InterestExpenseDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Nine Months Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    Interest expense



                    $




                      168,987




                    $




                      122,589




                    Capitalized interest



                    &#160;



                    (8,684)



                    &#160;



                    (6,974)



                    Amortization of transaction costs



                    &#160;




                      5,596




                    &#160;




                      4,153




                    Interest expense resulting from cash flow hedges



                    &#160;




                      134




                    &#160;




                      2,997


                Total interest expense$
                      166,033
                    $
                      122,765
                    </uhal:InterestExpenseDisclosureTextBlock>
    <us-gaap:InterestExpenseDebtExcludingAmortization
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">168987000</us-gaap:InterestExpenseDebtExcludingAmortization>
    <us-gaap:InterestExpenseDebtExcludingAmortization
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122589000</us-gaap:InterestExpenseDebtExcludingAmortization>
    <us-gaap:InterestCostsCapitalizedAdjustment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8684000</us-gaap:InterestCostsCapitalizedAdjustment>
    <us-gaap:InterestCostsCapitalizedAdjustment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6974000</us-gaap:InterestCostsCapitalizedAdjustment>
    <us-gaap:AmortizationOfDebtDiscountPremium
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5596000</us-gaap:AmortizationOfDebtDiscountPremium>
    <us-gaap:AmortizationOfDebtDiscountPremium
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4153000</us-gaap:AmortizationOfDebtDiscountPremium>
    <uhal:DerivativeGainLossOnDerivative
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">134000</uhal:DerivativeGainLossOnDerivative>
    <uhal:DerivativeGainLossOnDerivative
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2997000</uhal:DerivativeGainLossOnDerivative>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">166033000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122765000</us-gaap:InterestExpense>
    <us-gaap:InterestPaid
      contextRef="DYCurrentQuarterToDate"
      decimals="-5"
      unitRef="USD">51300000</us-gaap:InterestPaid>
    <us-gaap:InterestPaid
      contextRef="DYPriorQuarterToDate"
      decimals="-5"
      unitRef="USD">41100000</us-gaap:InterestPaid>
    <us-gaap:InterestPaid
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">156800000</us-gaap:InterestPaid>
    <us-gaap:InterestPaid
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">122800000</us-gaap:InterestPaid>
    <us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock contextRef="DYCurrentQuarterToDate">

                    &#160;



                    &#160;



                    Revolving Credit Activity



                    &#160;



                    &#160;



                    &#160;



                    Quarter Ended December 31,



                    &#160;



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    (In thousands, except interest rates)



                    &#160;



                    Weighted average interest rate during the period



                    &#160;




                      4.68




                    %




                      1.38




                    %



                    Interest rate at the end of the period



                    &#160;




                      5.28




                    %




                      1.39




                    %



                    Maximum amount outstanding during the period



                    $




                      765,000




                    $




                      1,085,000




                    &#160;



                    Average amount outstanding during the period



                    $




                      710,109




                    $




                      1,081,283




                    &#160;

                Facility fees$
                      270
                    $
                      66
                    &#160;</us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock>
    <us-gaap:DebtInstrumentInterestRateDuringPeriod
      contextRef="DYCurrentQuarterToDate"
      decimals="4"
      unitRef="Pure">0.0468</us-gaap:DebtInstrumentInterestRateDuringPeriod>
    <us-gaap:DebtInstrumentInterestRateDuringPeriod
      contextRef="DYPriorQuarterToDate"
      decimals="4"
      unitRef="Pure">0.0138</us-gaap:DebtInstrumentInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
      contextRef="DYCurrentQuarterToDate"
      decimals="4"
      unitRef="Pure">0.0528</us-gaap:LineOfCreditFacilityInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
      contextRef="DYPriorQuarterToDate"
      decimals="4"
      unitRef="Pure">0.0139</us-gaap:LineOfCreditFacilityInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">765000000</us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod>
    <us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1085000000</us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod>
    <us-gaap:LineOfCreditFacilityAverageOutstandingAmount
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">710109000</us-gaap:LineOfCreditFacilityAverageOutstandingAmount>
    <us-gaap:LineOfCreditFacilityAverageOutstandingAmount
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1081283000</us-gaap:LineOfCreditFacilityAverageOutstandingAmount>
    <us-gaap:LineOfCreditFacilityCollateralFeesAmount
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">270000</us-gaap:LineOfCreditFacilityCollateralFeesAmount>
    <us-gaap:LineOfCreditFacilityCollateralFeesAmount
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">66000</us-gaap:LineOfCreditFacilityCollateralFeesAmount>
    <us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    Revolving Credit Activity





                    &#160;





                    &#160;





                    &#160;





                    Nine Months Ended December 31,





                    &#160;





                    &#160;





                    &#160;





                    2022





                    &#160;





                    2021





                    &#160;





                    &#160;





                    &#160;





                    (Unaudited)





                    &#160;





                    &#160;





                    &#160;





                    (In thousands, except interest rates)





                    &#160;





                    Weighted average interest rate during the period





                    &#160;






                      3.34






                    %






                      1.38






                    %





                    Interest rate at the end of the period





                    &#160;






                      5.28






                    %






                      1.39






                    %





                    Maximum amount outstanding during the period





                    $






                      1,105,000






                    $






                      1,093,000






                    &#160;





                    Average amount outstanding during the period





                    $






                      892,680






                    $






                      1,081,571






                    &#160;


              Facility fees$
                      439
                    $
                      198

                    &#160;
                  </us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock>
    <us-gaap:DebtInstrumentInterestRateDuringPeriod
      contextRef="DYCurrentNineMonthsToDate"
      decimals="4"
      unitRef="Pure">0.0334</us-gaap:DebtInstrumentInterestRateDuringPeriod>
    <us-gaap:DebtInstrumentInterestRateDuringPeriod
      contextRef="DYPriorNineMonthsToDate"
      decimals="4"
      unitRef="Pure">0.0138</us-gaap:DebtInstrumentInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
      contextRef="DYCurrentNineMonthsToDate"
      decimals="4"
      unitRef="Pure">0.0528</us-gaap:LineOfCreditFacilityInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
      contextRef="DYPriorNineMonthsToDate"
      decimals="4"
      unitRef="Pure">0.0139</us-gaap:LineOfCreditFacilityInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1105000000</us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod>
    <us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1093000000</us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod>
    <us-gaap:LineOfCreditFacilityAverageOutstandingAmount
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">892680000</us-gaap:LineOfCreditFacilityAverageOutstandingAmount>
    <us-gaap:LineOfCreditFacilityAverageOutstandingAmount
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1081571000</us-gaap:LineOfCreditFacilityAverageOutstandingAmount>
    <us-gaap:LineOfCreditFacilityCollateralFeesAmount
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">439000</us-gaap:LineOfCreditFacilityCollateralFeesAmount>
    <us-gaap:LineOfCreditFacilityCollateralFeesAmount
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">198000</us-gaap:LineOfCreditFacilityCollateralFeesAmount>
    <us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

          5. Derivatives


          We manage exposure to changes in market interest rates. Our use of derivative instruments is limited to highly effective interest rate swaps to hedge the risk of changes in cash flows (future interest payments) attributable to changes in SOFR swap rates with the designated benchmark interest rate being hedged on certain of our SOFR indexed variable rate debt.
          &#160;
          The interest rate swaps effectively fix our interest payments on certain SOFR indexed variable rate debt through July 2032. We monitor our positions and the credit ratings of our counterparties and do not currently anticipate non-performance by the counterparties. Interest rate swap agreements are not entered into for trading purposes.
          &#160;
          These fair values are determined using pricing valuation models which include broker quotes for which significant inputs are observable. They include adjustments for counterparty credit quality and other deal-specific factors, where appropriate and are classified as Level 2 in the fair value hierarchy.


          The derivative fair values reflected in prepaid expense and accounts payable and accrued expenses in the condensed consolidated balance sheet were as follows:







                    &#160;






                    &#160;






                    Derivatives Fair Values as of








                    &#160;






                    &#160;






                    December 31, 2022






                    &#160;






                    March 31, 2022








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)








                    Interest rate contracts designated as cash flow hedging instruments:






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Assets






                    $







                      8,206







                    $







                      &#x2013;









                    Liabilities






                    $







                      &#x2013;







                    $







                      587









                    Notional amount






                    $







                      208,467







                    $







                      235,000








          &#160;







                    &#160;






                    &#160;






                    The Effect of Interest Rate Contracts on the Statements of Operations for the Quarters Ended








                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    December 31, 2022






                    &#160;






                    December 31, 2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    (Gain) loss recognized in AOCI on interest rate contracts






                    $







                      302







                    $






                    (1,242)








                    (Gain) loss reclassified from AOCI into income






                    $







                      455







                    $






                    (1,007)







          &#160;

        Gains or losses recognized in income on interest rate derivatives are recorded as interest expense in the condensed consolidated statements of operations. During the first nine months of fiscal 2023 and 2022, we recognized an increase in the fair value of our cash flow hedges of $6.5 million and $0.1 million, respectively, net of taxes. During the first nine months of fiscal 2023 and 2022, we reclassified $0.1 million and $2.3 million, respectively, from accumulated other comprehensive income (loss) (&#x201c;AOCI&#x201d;) to interest expense, net of tax. As of December 31, 2022, we expect to reclassify $2.3 million of net gains on interest rate contracts from AOCI to earnings as interest expense over the next twelve months.


          We use derivatives to hedge our equity market exposure to indexed annuity products sold by our Life Insurance company. These contracts earn a return for the contractholder based on the change in the value of the S&amp;P 500 index between annual index point dates. We buy and sell listed equity and index call options and call option spreads. The credit risk is with the party in which the options are written. The net option price is paid up front and there are no additional cash requirements or additional contingent liabilities. These contracts are held at fair value on our balance sheet. These derivative instruments are included in Investments, other, on the condensed consolidated balance sheets. Net (gains) losses recognized in net investment and interest income for the third quarters of fiscal 2023 and 2022 were $

            1.4

           million and $

            0.1

           million, respectively and $

            9.2

           million and ($

            1.8

          ) million for the first nine months of fiscal 2023 and fiscal 2022, respectively. The fair values of these call options are determined based on quoted market prices from the relevant exchange and are classified as Level 1 in the fair value hierarchy.


          &#160;







                    &#160;






                    &#160;






                    Derivatives Fair Values as of








                    &#160;






                    &#160;






                    December 31, 2022






                    &#160;






                    March 31, 2022








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)








                    Equity market contracts as hedging instruments






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Assets






                    $







                      2,181







                    $







                      7,474









                    Liabilities






                    $







                      &#x2013;







                    $







                      &#x2013;









                    Notional amount






                    $







                      456,419







                    $







                      416,739







      Although the call options are employed to be effective hedges against our policyholder obligations from an economic standpoint, they do not meet the requirements for hedge accounting under generally accepted accounting principles (&#x201c;GAAP&#x201d;). Accordingly, the changes in fair value of the call options are recognized each reporting date as a component of net investment and interest income. The change in fair value of the call options include the gains or losses recognized at the expiration of the option term and the changes in fair value for open contracts.</us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock>
    <us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Derivatives Fair Values as of



                    &#160;



                    &#160;



                    December 31, 2022



                    &#160;



                    March 31, 2022



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    Interest rate contracts designated as cash flow hedging instruments:



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Assets



                    $




                      8,206




                    $




                      &#x2013;




                    Liabilities



                    $




                      &#x2013;




                    $




                      587


                Notional amount$
                      208,467
                    $
                      235,000
                    </us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock>
    <us-gaap:DerivativeAssetNotionalAmount
      contextRef="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_InterestRateSwapMember"
      decimals="-3"
      unitRef="USD">8206000</us-gaap:DerivativeAssetNotionalAmount>
    <us-gaap:DerivativeAssetNotionalAmount
      contextRef="FYPriorEndYear_DerivativeInstrumentRiskAxis_InterestRateSwapMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeAssetNotionalAmount>
    <us-gaap:DerivativeLiabilityNotionalAmount
      contextRef="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_InterestRateSwapMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeLiabilityNotionalAmount>
    <us-gaap:DerivativeLiabilityNotionalAmount
      contextRef="FYPriorEndYear_DerivativeInstrumentRiskAxis_InterestRateSwapMember"
      decimals="-3"
      unitRef="USD">587000</us-gaap:DerivativeLiabilityNotionalAmount>
    <us-gaap:DerivativeNotionalAmount
      contextRef="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_InterestRateSwapMember"
      decimals="-3"
      unitRef="USD">208467000</us-gaap:DerivativeNotionalAmount>
    <us-gaap:DerivativeNotionalAmount
      contextRef="FYPriorEndYear_DerivativeInstrumentRiskAxis_InterestRateSwapMember"
      decimals="-3"
      unitRef="USD">235000000</us-gaap:DerivativeNotionalAmount>
    <us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    The Effect of Interest Rate Contracts on the Statements of Operations for the Quarters Ended



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    December 31, 2022



                    &#160;



                    December 31, 2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    (Gain) loss recognized in AOCI on interest rate contracts



                    $




                      302




                    $



                    (1,242)

                (Gain) loss reclassified from AOCI into income$
                      455
                    $(1,007)</us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock>
    <us-gaap:DerivativeGainLossOnDerivativeNet
      contextRef="DYCurrentQuarterToDate_IncomeStatementLocationAxis_InterestIncomeMember"
      decimals="-3"
      unitRef="USD">302000</us-gaap:DerivativeGainLossOnDerivativeNet>
    <us-gaap:DerivativeGainLossOnDerivativeNet
      contextRef="DYPriorQuarterToDate_IncomeStatementLocationAxis_InterestIncomeMember"
      decimals="-3"
      unitRef="USD">-1242000</us-gaap:DerivativeGainLossOnDerivativeNet>
    <us-gaap:DerivativeGainLossOnDerivativeNet
      contextRef="DYCurrentQuarterToDate_IncomeStatementLocationAxis_InvestmentIncomeMember"
      decimals="-3"
      unitRef="USD">455000</us-gaap:DerivativeGainLossOnDerivativeNet>
    <us-gaap:DerivativeGainLossOnDerivativeNet
      contextRef="DYPriorQuarterToDate_IncomeStatementLocationAxis_InvestmentIncomeMember"
      decimals="-3"
      unitRef="USD">-1007000</us-gaap:DerivativeGainLossOnDerivativeNet>
    <us-gaap:InterestRateFairValueHedgeAssetAtFairValue
      contextRef="EndOfCurrentQuarter"
      decimals="-5"
      unitRef="USD">6500000</us-gaap:InterestRateFairValueHedgeAssetAtFairValue>
    <us-gaap:InterestRateFairValueHedgeAssetAtFairValue contextRef="EndOfPriorQuarter" decimals="-5" unitRef="USD">100000</us-gaap:InterestRateFairValueHedgeAssetAtFairValue>
    <us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">100000</us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet>
    <us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">2300000</us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet>
    <us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
      contextRef="DYCurrentQuarterToDate_BalanceSheetLocationAxis_OtherInvestmentsMember"
      decimals="-5"
      unitRef="USD">2300000</us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember"
      decimals="-5"
      unitRef="USD">100000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember"
      decimals="-5"
      unitRef="USD">9200000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_StatementEquityComponentsAxis_AociIncludingPortionAttributableToNoncontrollingInterestMember"
      decimals="-5"
      unitRef="USD">1800000</us-gaap:InterestExpense>
    <us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock contextRef="DYPriorYear">

                    &#160;



                    &#160;



                    Derivatives Fair Values as of



                    &#160;



                    &#160;



                    December 31, 2022



                    &#160;



                    March 31, 2022



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    Equity market contracts as hedging instruments



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Assets



                    $




                      2,181




                    $




                      7,474




                    Liabilities



                    $




                      &#x2013;




                    $




                      &#x2013;


                Notional amount$
                      456,419
                    $
                      416,739
                    </us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock>
    <us-gaap:DerivativeAssetNotionalAmount
      contextRef="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_EquitySwapMember"
      decimals="-3"
      unitRef="USD">2181000</us-gaap:DerivativeAssetNotionalAmount>
    <us-gaap:DerivativeAssetNotionalAmount
      contextRef="FYPriorEndYear_DerivativeInstrumentRiskAxis_EquitySwapMember"
      decimals="-3"
      unitRef="USD">7474000</us-gaap:DerivativeAssetNotionalAmount>
    <us-gaap:DerivativeLiabilityNotionalAmount
      contextRef="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_EquitySwapMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeLiabilityNotionalAmount>
    <us-gaap:DerivativeLiabilityNotionalAmount
      contextRef="FYPriorEndYear_DerivativeInstrumentRiskAxis_EquitySwapMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeLiabilityNotionalAmount>
    <us-gaap:DerivativeNotionalAmount
      contextRef="EndOfCurrentQuarter_DerivativeInstrumentRiskAxis_EquitySwapMember"
      decimals="-3"
      unitRef="USD">456419000</us-gaap:DerivativeNotionalAmount>
    <us-gaap:DerivativeNotionalAmount
      contextRef="FYPriorEndYear_DerivativeInstrumentRiskAxis_EquitySwapMember"
      decimals="-3"
      unitRef="USD">416739000</us-gaap:DerivativeNotionalAmount>
    <us-gaap:ComprehensiveIncomeNoteTextBlock contextRef="DYCurrentNineMonthsToDate">

          6. Accumulated Other Comprehensive Income (Loss)


          A summary of AOCI components, net of tax, were as follows:



                    &#160;



                    &#160;



                    Foreign Currency Translation



                    &#160;



                    Unrealized Net Gains (Losses) on Investments



                    &#160;



                    Fair Market Value of Cash Flow Hedges



                    &#160;



                    Postretirement Benefit Obligation Net Loss



                    &#160;



                    Accumulated Other Comprehensive Income (Loss)



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    Balance as of March 31, 2022



                    $



                    (55,757)



                    $
                    &#160;




                      105,027




                    $
                    &#160;



                    (444)



                    $
                    &#160;



                    (2,442)



                    $
                    &#160;




                      46,384




                    Foreign currency translation



                    &#160;



                    (757)



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;



                    (757)



                    Unrealized net loss on investments



                    &#160;




                      &#x2013;




                    &#160;



                    (336,376)



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;



                    (336,376)



                    Change in fair value of cash flow hedges



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      6,532




                    &#160;




                      &#x2013;




                    &#160;




                      6,532




                    Amounts reclassified into earnings on hedging activities



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      101




                    &#160;




                      &#x2013;




                    &#160;




                      101




                    Other comprehensive income (loss)



                    &#160;



                    (757)



                    &#160;



                    (336,376)



                    &#160;




                      6,633




                    &#160;




                      &#x2013;




                    &#160;



                    (330,500)


                    Balance as of December 31, 2022

                    $

                    (


                      56,514


                    )

                    $

                    &#160;

                    (


                      231,349


                    )

                    $

                    &#160;


                      6,189


                    $

                    &#160;

                    (


                      2,442


                    )

                    $

                    &#160;
                  (284,116)</us-gaap:ComprehensiveIncomeNoteTextBlock>
    <us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    Foreign Currency Translation





                    &#160;





                    Unrealized Net Gains (Losses) on Investments





                    &#160;





                    Fair Market Value of Cash Flow Hedges





                    &#160;





                    Postretirement Benefit Obligation Net Loss





                    &#160;





                    Accumulated Other Comprehensive Income (Loss)





                    &#160;





                    &#160;





                    (Unaudited)





                    &#160;





                    &#160;





                    (In thousands)





                    Balance as of March 31, 2022





                    $





                    (55,757)





                    $
                    &#160;






                      105,027






                    $
                    &#160;





                    (444)





                    $
                    &#160;





                    (2,442)





                    $
                    &#160;






                      46,384






                    Foreign currency translation





                    &#160;





                    (757)





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;





                    (757)





                    Unrealized net loss on investments





                    &#160;






                      &#x2013;






                    &#160;





                    (336,376)





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;





                    (336,376)





                    Change in fair value of cash flow hedges





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      6,532






                    &#160;






                      &#x2013;






                    &#160;






                      6,532






                    Amounts reclassified into earnings on hedging activities





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      101






                    &#160;






                      &#x2013;






                    &#160;






                      101






                    Other comprehensive income (loss)





                    &#160;





                    (757)





                    &#160;





                    (336,376)





                    &#160;






                      6,633






                    &#160;






                      &#x2013;






                    &#160;





                    (330,500)


              Balance as of December 31, 2022$(
                      56,514
                    )$&#160;(
                      231,349
                    )$&#160;
                      6,189
                    $&#160;(
                      2,442
                    )$&#160;
                    (284,116)
                  </us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">-55757000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">105027000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">-444000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">-2442000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">46384000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">-336376000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-336376000</us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">6532000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">6532000</us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">101000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">101000</us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">-757000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">-336376000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">6633000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax
      contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-330500000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedTranslationAdjustmentMember"
      decimals="-3"
      unitRef="USD">-56514000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedNetUnrealizedInvestmentGainLossMember"
      decimals="-3"
      unitRef="USD">-231349000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"
      decimals="-3"
      unitRef="USD">6189000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedDefinedBenefitPlansAdjustmentMember"
      decimals="-3"
      unitRef="USD">-2442000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_StatementEquityComponentsAxis_AccumulatedOtherComprehensiveIncomeMember"
      decimals="-3"
      unitRef="USD">-284116000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

          7. Stockholders&#x2019; Equity


          The following tables list the dividends that have been declared and issued during the first nine months of fiscal 2023 on our Voting and Non-Voting Common Stocks:







                    Voting Common Stock Dividends








                    Declared Date






                    &#160;






                    Per Share Amount






                    &#160;






                    Record Date






                    &#160;






                    Dividend Date








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;









                      April 6, 2022







                    $







                      0.50







                    &#160;







                      April 18, 2022







                    &#160;







                      April 29, 2022










                      August 18, 2022







                    $







                      0.50







                    &#160;







                      September 6, 2022







                    &#160;







                      September 20, 2022















                    Non-Voting Common Stock Dividends








                    Declared Date






                    &#160;






                    Per Share Amount






                    &#160;






                    Record Date






                    &#160;






                    Dividend Date








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;









                      December 7, 2022







                    $







                      0.04







                    &#160;







                      December 19, 2022







                    &#160;







                      December 30, 2022








          &#160;


          As of December 31, 2022, no awards had been issued under the 2016 AMERCO Stock Option Plan.


          Background of the Independent Special Committee


          The Board of Directors of the Company (the &#x201c;Board&#x201d;) created an Independent Special Committee (the &#x201c;Committee&#x201d;) to consider various matters and actions. The Committee retained outside advisors to help examine multiple options aimed at enhancing the marketability and liquidity of the Company&#x2019;s stock. The Committee paid particular attention to actions intended to make stock ownership more inclusive and accessible for retail investors, including team members and customers of the Company. The Committee approved the following actions.


          Creation of the Series N Non-Voting Common Stock


          Effective October 24, 2022, the Company created a new series of common stock, designated as Non-Voting Common Stock. The Non-Voting Common Stock has a par value of $

            0.001

           per share,

            250,000,000

           shares authorized and trades on the New York Stock Exchange (&#x201c;NYSE&#x201d;) under the ticker symbol &#x201c;UHAL.B&#x201d;.
          &#160;
          Shares of the Company&#x2019;s Voting Common Stock also trade on the NYSE under the ticker symbol &#x201d;UHAL.&#x201d;


          9-for-1 Stock Dividend Involving Non-Voting Common Stock



            On October 24, 2022, the Company issued shares of the Non-Voting Common Stock through a stock dividend, on a 9-for-1 basis, to then-existing holders of the Company&#x2019;s Voting Common Stock.

           The shares of Non-Voting Common Stock were distributed after the close of trading on November 9, 2022, to stockholders of record of Voting Common Stock at the close of business on November 3, 2022. Trading of the

            176,470,092

           shares of Non-Voting Common Stock began on November 10, 2022.


          Dividend Policy for Non-Voting Common Stock


          In response to the Committee&#x2019;s recommendation to consider a dividend policy, the Board adopted a dividend policy for the new Non-Voting Common Stock.


          Unless the Board in its sole discretion determines otherwise, it shall be the policy of the Company to declare and pay a quarterly cash dividend on each share of the Company&#x2019;s Non-Voting Common Stock, in the amount of $

            0.04

           per share. This policy commenced in the third quarter of fiscal year 2023.

      On December 19, 2022, the Company transferred the listings of both UHAL and UHAL.B to the NYSE from the NASDAQ Global Select Market.</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
    <us-gaap:ScheduleOfStockholdersEquityTableTextBlock contextRef="DYCurrentNineMonthsToDate_StatementEquityComponentsAxis_CommonStockMember">

                    Voting Common Stock Dividends



                    Declared Date



                    &#160;



                    Per Share Amount



                    &#160;



                    Record Date



                    &#160;



                    Dividend Date



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;




                      April 6, 2022




                    $




                      0.50




                    &#160;




                      April 18, 2022




                    &#160;




                      April 29, 2022


                August 18, 2022$
                      0.50
                    &#160;September 6, 2022&#160;September 20, 2022</us-gaap:ScheduleOfStockholdersEquityTableTextBlock>
    <us-gaap:DividendsPayableDateDeclaredDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredTwoMember">2022-04-06</us-gaap:DividendsPayableDateDeclaredDayMonthAndYear>
    <us-gaap:CommonStockDividendsPerShareCashPaid
      contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredTwoMember"
      decimals="2"
      unitRef="EPS">0.50</us-gaap:CommonStockDividendsPerShareCashPaid>
    <us-gaap:DividendsPayableDateOfRecordDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredTwoMember">2022-04-18</us-gaap:DividendsPayableDateOfRecordDayMonthAndYear>
    <us-gaap:DividendPayableDateToBePaidDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredTwoMember">2022-04-29</us-gaap:DividendPayableDateToBePaidDayMonthAndYear>
    <us-gaap:DividendsPayableDateDeclaredDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredThreeMember">2022-08-18</us-gaap:DividendsPayableDateDeclaredDayMonthAndYear>
    <us-gaap:CommonStockDividendsPerShareCashPaid
      contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredThreeMember"
      decimals="2"
      unitRef="EPS">0.50</us-gaap:CommonStockDividendsPerShareCashPaid>
    <us-gaap:DividendsPayableDateOfRecordDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredThreeMember">2022-09-06</us-gaap:DividendsPayableDateOfRecordDayMonthAndYear>
    <us-gaap:DividendPayableDateToBePaidDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_DividendsDeclaredThreeMember">2022-09-20</us-gaap:DividendPayableDateToBePaidDayMonthAndYear>
    <us-gaap:ScheduleOfStockholdersEquityTableTextBlock contextRef="DYCurrentNineMonthsToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">

                    Non-Voting Common Stock Dividends



                    Declared Date



                    &#160;



                    Per Share Amount



                    &#160;



                    Record Date



                    &#160;



                    Dividend Date



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;

                December 7, 2022$
                      0.04
                    &#160;December 19, 2022&#160;December 30, 2022</us-gaap:ScheduleOfStockholdersEquityTableTextBlock>
    <us-gaap:DividendsPayableDateDeclaredDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_NonvotingCommonStockDividendMember">2022-12-07</us-gaap:DividendsPayableDateDeclaredDayMonthAndYear>
    <us-gaap:CommonStockDividendsPerShareCashPaid
      contextRef="DYCurrentNineMonthsToDate_DividendsAxis_NonvotingCommonStockDividendMember"
      decimals="2"
      unitRef="EPS">0.04</us-gaap:CommonStockDividendsPerShareCashPaid>
    <us-gaap:DividendsPayableDateOfRecordDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_NonvotingCommonStockDividendMember">2022-12-19</us-gaap:DividendsPayableDateOfRecordDayMonthAndYear>
    <us-gaap:DividendPayableDateToBePaidDayMonthAndYear contextRef="DYCurrentNineMonthsToDate_DividendsAxis_NonvotingCommonStockDividendMember">2022-12-30</us-gaap:DividendPayableDateToBePaidDayMonthAndYear>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="NonVotingStockEffectiveDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="3"
      unitRef="EPS">0.001</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="NonVotingStockEffectiveDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">250000000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:StockholdersEquityNoteStockSplit contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember">On October 24, 2022, the Company issued shares of the Non-Voting Common Stock through a stock dividend, on a 9-for-1 basis, to then-existing holders of the Company&#x2019;s Voting Common Stock.</us-gaap:StockholdersEquityNoteStockSplit>
    <us-gaap:CommonStockSharesIssued
      contextRef="NonVotingStockCommencementDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="1"
      unitRef="WeightedAverage">176470092</us-gaap:CommonStockSharesIssued>
    <us-gaap:CommonStockDividendsPerShareDeclared
      contextRef="DYCurrentQuarterToDate_StatementClassOfStockAxis_NonvotingCommonStockMember"
      decimals="2"
      unitRef="EPS">0.04</us-gaap:CommonStockDividendsPerShareDeclared>
    <us-gaap:LeasesOfLesseeDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

          8. Leases


          The following tables show the components of our Right-of-Use (&#x201c;ROU&#x201c;) assets:







                    &#160;






                    &#160;






                    As of December 31, 2022








                    &#160;






                    &#160;






                    Finance






                    &#160;






                    Operating






                    &#160;






                    Total








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Buildings and improvements






                    $







                      &#x2013;







                    $







                      142,748







                    $







                      142,748









                    Furniture and equipment






                    &#160;







                      14,731







                    &#160;







                      &#x2013;







                    &#160;







                      14,731









                    Rental trailers and other rental equipment






                    &#160;







                      152,867







                    &#160;







                      &#x2013;







                    &#160;







                      152,867









                    Rental trucks






                    &#160;







                      982,119







                    &#160;







                      &#x2013;







                    &#160;







                      982,119









                    Right-of-use assets, gross






                    &#160;







                      1,149,717







                    &#160;







                      142,748







                    &#160;







                      1,292,465









                    Less: Accumulated depreciation






                    &#160;






                    (645,077)






                    &#160;






                    (78,892)






                    &#160;






                    (723,969)








                    Right-of-use assets, net






                    $







                      504,640







                    $







                      63,856







                    $







                      568,496










          &#160;







                    &#160;






                    &#160;






                    As of March 31, 2022








                    &#160;






                    &#160;






                    Finance






                    &#160;






                    Operating






                    &#160;






                    Total








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Buildings and improvements






                    $







                      &#x2013;







                    $







                      136,444







                    $







                      136,444









                    Furniture and equipment






                    &#160;







                      14,731







                    &#160;







                      &#x2013;







                    &#160;







                      14,731









                    Rental trailers and other rental equipment






                    &#160;







                      169,514







                    &#160;







                      &#x2013;







                    &#160;







                      169,514









                    Rental trucks






                    &#160;







                      1,114,248







                    &#160;







                      &#x2013;







                    &#160;







                      1,114,248









                    Right-of-use assets, gross






                    &#160;







                      1,298,493







                    &#160;







                      136,444







                    &#160;







                      1,434,937









                    Less: Accumulated depreciation






                    &#160;






                    (677,669)






                    &#160;






                    (62,062)






                    &#160;






                    (739,731)








                    Right-of-use assets, net






                    $







                      620,824







                    $







                      74,382







                    $







                      695,206








          As of December 31, 2022 and March 31, 2022, we had finance lease liabilities for the ROU assets, net of $252.1 million and $347.4 million, respectively and operating lease liabilities of $63.4 million and $74.2 million, respectively.







                    &#160;






                    &#160;






                    Finance leases






                    &#160;








                    &#160;






                    &#160;






                    December 31,






                    &#160;






                    March 31,






                    &#160;








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2022






                    &#160;








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;








                    Weighted average remaining lease term (years)






                    &#160;







                      2







                    &#160;







                      3







                    &#160;








                    Weighted average discount rate






                    &#160;







                      3.8







                    %







                      3.7







                    %







          &#160;







                    &#160;






                    &#160;






                    Operating leases






                    &#160;








                    &#160;






                    &#160;






                    December 31,






                    &#160;






                    March 31,






                    &#160;








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2022






                    &#160;








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;








                    Weighted average remaining lease term (years)






                    &#160;







                      18.0







                    &#160;







                      16.5







                    &#160;








                    Weighted average discount rate






                    &#160;







                      4.6







                    %







                      4.6







                    %







          For the first nine months ended December 31, 2022 and 2021, cash paid for leases included in our operating cash flow activities were $

            24.0

           million and $

            22.6

           million, respectively, and our financing cash flow activities were $

            95.3

           million and $

            129.2

           million, respectively.
          &#160;
          Non-cash activities of ROU assets in exchange for lease liabilities were $

            5.1

           million and $

            3.5

           million for the first nine months of fiscal 2023 and 2022, respectively.
          &#160;


          The components of lease costs, including leases of less than 12 months, were as follows:







                    &#160;






                    &#160;






                    Nine Months Ended








                    &#160;






                    &#160;






                    December 31, 2022






                    &#160;






                    December 31, 2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Operating lease costs






                    $







                      24,483







                    $







                      24,018









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Finance lease cost:






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Amortization of right of use assets






                    $







                      62,782







                    $







                      90,056









                    Interest on lease liabilities






                    &#160;







                      8,799







                    &#160;







                      14,290









                    Total finance lease cost






                    $







                      71,581







                    $







                      104,346







        The short-term lease costs for the first nine months of fiscal 2023 and 2022 were not material.


          Maturities of lease liabilities were as follows:



                    &#160;



                    &#160;



                    Finance leases



                    &#160;



                    Operating leases



                    &#160;



                    &#160;



                    (Unaudited)



                    Year ending December 31,



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    2023



                    $




                      121,093




                    $




                      24,511




                    2024



                    &#160;




                      85,188




                    &#160;




                      15,398




                    2025



                    &#160;




                      48,126




                    &#160;




                      5,710




                    2026



                    &#160;




                      12,114




                    &#160;




                      3,579




                    2027



                    &#160;




                      &#x2013;




                    &#160;




                      3,018




                    Thereafter



                    &#160;




                      &#x2013;




                    &#160;




                      57,288




                    Total lease payments



                    &#160;




                      266,521




                    &#160;




                      109,504




                    Less: imputed interest



                    &#160;



                    (14,419)



                    &#160;



                    (46,102)


                    Present value of lease liabilities

                    $


                      252,102


                    $

                      63,402
                    </us-gaap:LeasesOfLesseeDisclosureTextBlock>
    <uhal:ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    As of December 31, 2022



                    &#160;



                    &#160;



                    Finance



                    &#160;



                    Operating



                    &#160;



                    Total



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Buildings and improvements



                    $




                      &#x2013;




                    $




                      142,748




                    $




                      142,748




                    Furniture and equipment



                    &#160;




                      14,731




                    &#160;




                      &#x2013;




                    &#160;




                      14,731




                    Rental trailers and other rental equipment



                    &#160;




                      152,867




                    &#160;




                      &#x2013;




                    &#160;




                      152,867




                    Rental trucks



                    &#160;




                      982,119




                    &#160;




                      &#x2013;




                    &#160;




                      982,119




                    Right-of-use assets, gross



                    &#160;




                      1,149,717




                    &#160;




                      142,748




                    &#160;




                      1,292,465




                    Less: Accumulated depreciation



                    &#160;



                    (645,077)



                    &#160;



                    (78,892)



                    &#160;



                    (723,969)

                Right-of-use assets, net$
                      504,640
                    $
                      63,856
                    $
                      568,496
                    </uhal:ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock>
    <uhal:RightOfUseAssetsBuildingImprovements
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsBuildingImprovements>
    <uhal:RightOfUseAssetsBuildingImprovements
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">142748000</uhal:RightOfUseAssetsBuildingImprovements>
    <uhal:RightOfUseAssetsBuildingImprovements
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">142748000</uhal:RightOfUseAssetsBuildingImprovements>
    <uhal:RightOfUseAssetsFurnitureEquipment
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">14731000</uhal:RightOfUseAssetsFurnitureEquipment>
    <uhal:RightOfUseAssetsFurnitureEquipment
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsFurnitureEquipment>
    <uhal:RightOfUseAssetsFurnitureEquipment
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">14731000</uhal:RightOfUseAssetsFurnitureEquipment>
    <uhal:RightOfUseAssetsRentalEquipment
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">152867000</uhal:RightOfUseAssetsRentalEquipment>
    <uhal:RightOfUseAssetsRentalEquipment
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsRentalEquipment>
    <uhal:RightOfUseAssetsRentalEquipment
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">152867000</uhal:RightOfUseAssetsRentalEquipment>
    <uhal:RightOfUseAssetsRentalTrucks
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">982119000</uhal:RightOfUseAssetsRentalTrucks>
    <uhal:RightOfUseAssetsRentalTrucks
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsRentalTrucks>
    <uhal:RightOfUseAssetsRentalTrucks
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">982119000</uhal:RightOfUseAssetsRentalTrucks>
    <uhal:RightOfUseAssetsGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">1149717000</uhal:RightOfUseAssetsGross>
    <uhal:RightOfUseAssetsGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">142748000</uhal:RightOfUseAssetsGross>
    <uhal:RightOfUseAssetsGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">1292465000</uhal:RightOfUseAssetsGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">645077000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">78892000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">723969000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation>
    <uhal:FinanceLeaseRightOfUseAssetNet
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">504640000</uhal:FinanceLeaseRightOfUseAssetNet>
    <uhal:FinanceLeaseRightOfUseAssetNet
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">63856000</uhal:FinanceLeaseRightOfUseAssetNet>
    <uhal:FinanceLeaseRightOfUseAssetNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">568496000</uhal:FinanceLeaseRightOfUseAssetNet>
    <uhal:ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock contextRef="DYPriorYear">

                    &#160;



                    &#160;



                    As of March 31, 2022



                    &#160;



                    &#160;



                    Finance



                    &#160;



                    Operating



                    &#160;



                    Total



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Buildings and improvements



                    $




                      &#x2013;




                    $




                      136,444




                    $




                      136,444




                    Furniture and equipment



                    &#160;




                      14,731




                    &#160;




                      &#x2013;




                    &#160;




                      14,731




                    Rental trailers and other rental equipment



                    &#160;




                      169,514




                    &#160;




                      &#x2013;




                    &#160;




                      169,514




                    Rental trucks



                    &#160;




                      1,114,248




                    &#160;




                      &#x2013;




                    &#160;




                      1,114,248




                    Right-of-use assets, gross



                    &#160;




                      1,298,493




                    &#160;




                      136,444




                    &#160;




                      1,434,937




                    Less: Accumulated depreciation



                    &#160;



                    (677,669)



                    &#160;



                    (62,062)



                    &#160;



                    (739,731)

                Right-of-use assets, net$
                      620,824
                    $
                      74,382
                    $
                      695,206
                    </uhal:ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock>
    <uhal:RightOfUseAssetsBuildingImprovements
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsBuildingImprovements>
    <uhal:RightOfUseAssetsBuildingImprovements
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">136444000</uhal:RightOfUseAssetsBuildingImprovements>
    <uhal:RightOfUseAssetsBuildingImprovements contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">136444000</uhal:RightOfUseAssetsBuildingImprovements>
    <uhal:RightOfUseAssetsFurnitureEquipment
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">14731000</uhal:RightOfUseAssetsFurnitureEquipment>
    <uhal:RightOfUseAssetsFurnitureEquipment
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsFurnitureEquipment>
    <uhal:RightOfUseAssetsFurnitureEquipment contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">14731000</uhal:RightOfUseAssetsFurnitureEquipment>
    <uhal:RightOfUseAssetsRentalEquipment
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">169514000</uhal:RightOfUseAssetsRentalEquipment>
    <uhal:RightOfUseAssetsRentalEquipment
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsRentalEquipment>
    <uhal:RightOfUseAssetsRentalEquipment contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">169514000</uhal:RightOfUseAssetsRentalEquipment>
    <uhal:RightOfUseAssetsRentalTrucks
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">1114248000</uhal:RightOfUseAssetsRentalTrucks>
    <uhal:RightOfUseAssetsRentalTrucks
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">0</uhal:RightOfUseAssetsRentalTrucks>
    <uhal:RightOfUseAssetsRentalTrucks contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">1114248000</uhal:RightOfUseAssetsRentalTrucks>
    <uhal:RightOfUseAssetsGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">1298493000</uhal:RightOfUseAssetsGross>
    <uhal:RightOfUseAssetsGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">136444000</uhal:RightOfUseAssetsGross>
    <uhal:RightOfUseAssetsGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">1434937000</uhal:RightOfUseAssetsGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">677669000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">62062000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">739731000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation>
    <uhal:FinanceLeaseRightOfUseAssetNet
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_FinanceLeaseMember"
      decimals="-3"
      unitRef="USD">620824000</uhal:FinanceLeaseRightOfUseAssetNet>
    <uhal:FinanceLeaseRightOfUseAssetNet
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_OperatingLeaseMember"
      decimals="-3"
      unitRef="USD">74382000</uhal:FinanceLeaseRightOfUseAssetNet>
    <uhal:FinanceLeaseRightOfUseAssetNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">695206000</uhal:FinanceLeaseRightOfUseAssetNet>
    <uhal:ScheduleOfWeightedAverageRemainingLeaseTermsAndDiscountRatesTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Finance leases



                    &#160;



                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    March 31,



                    &#160;



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2022



                    &#160;



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    Weighted average remaining lease term (years)



                    &#160;




                      2




                    &#160;




                      3




                    &#160;

                Weighted average discount rate&#160;
                      3.8
                    %
                      3.7
                    %</uhal:ScheduleOfWeightedAverageRemainingLeaseTermsAndDiscountRatesTableTextBlock>
    <uhal:RemainingLeaseTermFinanceLeaseWeightedAverage contextRef="DYCurrentNineMonthsToDate">2</uhal:RemainingLeaseTermFinanceLeaseWeightedAverage>
    <uhal:RemainingLeaseTermFinanceLeaseWeightedAverage contextRef="DYPriorYear">3</uhal:RemainingLeaseTermFinanceLeaseWeightedAverage>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
      contextRef="EndOfCurrentQuarter"
      decimals="INF"
      unitRef="Pure">0.038</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent contextRef="FYPriorEndYear" decimals="INF" unitRef="Pure">0.037</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <uhal:ScheduleOfWeightedAverageRemainingLeaseTermsAndDiscountRatesTableTextBlock contextRef="DYPriorYear">

                    &#160;



                    &#160;



                    Operating leases



                    &#160;



                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    March 31,



                    &#160;



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2022



                    &#160;



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    Weighted average remaining lease term (years)



                    &#160;




                      18.0




                    &#160;




                      16.5




                    &#160;

                Weighted average discount rate&#160;
                      4.6
                    %
                      4.6
                    %</uhal:ScheduleOfWeightedAverageRemainingLeaseTermsAndDiscountRatesTableTextBlock>
    <uhal:RemainingLeaseTermOperatingLeaseWeightedAverage contextRef="DYCurrentNineMonthsToDate">18.0</uhal:RemainingLeaseTermOperatingLeaseWeightedAverage>
    <uhal:RemainingLeaseTermOperatingLeaseWeightedAverage contextRef="DYPriorYear">16.5</uhal:RemainingLeaseTermOperatingLeaseWeightedAverage>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
      contextRef="EndOfCurrentQuarter"
      decimals="INF"
      unitRef="Pure">0.046</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent contextRef="FYPriorEndYear" decimals="INF" unitRef="Pure">0.046</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">24000000.0</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">22600000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">95300000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">129200000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <uhal:OperatingCashFlowsForFinancingLeases
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">5100000</uhal:OperatingCashFlowsForFinancingLeases>
    <uhal:OperatingCashFlowsForFinancingLeases
      contextRef="DYPriorNineMonthsToDate"
      decimals="-5"
      unitRef="USD">3500000</uhal:OperatingCashFlowsForFinancingLeases>
    <us-gaap:LeaseCostTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Nine Months Ended



                    &#160;



                    &#160;



                    December 31, 2022



                    &#160;



                    December 31, 2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Operating lease costs



                    $




                      24,483




                    $




                      24,018




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Finance lease cost:



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Amortization of right of use assets



                    $




                      62,782




                    $




                      90,056




                    Interest on lease liabilities



                    &#160;




                      8,799




                    &#160;




                      14,290


                Total finance lease cost$
                      71,581
                    $
                      104,346
                    </us-gaap:LeaseCostTableTextBlock>
    <us-gaap:OperatingLeaseCost
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">24483000</us-gaap:OperatingLeaseCost>
    <us-gaap:OperatingLeaseCost
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">24018000</us-gaap:OperatingLeaseCost>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">62782000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">90056000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8799000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">14290000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:LeaseCost
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">71581000</us-gaap:LeaseCost>
    <us-gaap:LeaseCost
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">104346000</us-gaap:LeaseCost>
    <uhal:ScheduleOfMaturitiesOfOperatingAndFinanceLeasesLiabilitiesTableTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    Finance leases





                    &#160;





                    Operating leases





                    &#160;





                    &#160;





                    (Unaudited)





                    Year ending December 31,





                    &#160;





                    (In thousands)





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    2023





                    $






                      121,093






                    $






                      24,511






                    2024





                    &#160;






                      85,188






                    &#160;






                      15,398






                    2025





                    &#160;






                      48,126






                    &#160;






                      5,710






                    2026





                    &#160;






                      12,114






                    &#160;






                      3,579






                    2027





                    &#160;






                      &#x2013;






                    &#160;






                      3,018






                    Thereafter





                    &#160;






                      &#x2013;






                    &#160;






                      57,288






                    Total lease payments





                    &#160;






                      266,521






                    &#160;






                      109,504






                    Less: imputed interest





                    &#160;





                    (14,419)





                    &#160;





                    (46,102)


              Present value of lease liabilities$
                      252,102
                    $

                      63,402

                  </uhal:ScheduleOfMaturitiesOfOperatingAndFinanceLeasesLiabilitiesTableTextBlock>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">121093000</us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">24511000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">85188000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">15398000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">48126000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">5710000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">12114000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">3579000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">3018000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">57288000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive>
    <us-gaap:FinanceLeaseLiabilityPaymentsDue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">266521000</us-gaap:FinanceLeaseLiabilityPaymentsDue>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">109504000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue>
    <us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">14419000</us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount>
    <us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">46102000</us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount>
    <us-gaap:FinanceLeaseLiability
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">252102000</us-gaap:FinanceLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">63402000</us-gaap:OperatingLeaseLiability>
    <us-gaap:LegalMattersAndContingenciesTextBlock contextRef="DYCurrentNineMonthsToDate">

          9. Contingencies


          Cybersecurity Incident


          On September 9, 2022, we announced that the Company was made aware of a data security incident involving U-Hauls information technology network. U-Haul detected a compromise of two unique passwords used to access U-Haul customers&#x2018; information. U-Haul took immediate steps to contain the incident and promptly enhanced its security measures to prevent any further unauthorized access. U-Haul retained cybersecurity experts and incident response counsel to investigate the incident and implement additional security safeguards. The investigation determined that between November 5, 2021 and April 8, 2022, the threat actor accessed customer contracts containing customers&#x2019; names, dates of birth, and driver&#x2019;s license or state identification numbers. None of U-Haul&#x2019;s financial, payment processing or email systems were involved. U-Haul has notified impacted customers and relevant governmental authorities.


          Several class action lawsuits related to the incident have been filed against U-Haul. The lawsuits have been consolidated into one action in the U.S. District Court for the District of Arizona and will be vigorously defended by the Company, however the outcome of such lawsuits cannot be predicted or guaranteed with any certainty.


          Environmental


          Compliance with environmental requirements of federal, state and local governments may significantly affect Real Estate&#x2019;s business operations. Among other things, these requirements regulate the discharge of materials into the air, land and water and govern the use and disposal of hazardous substances. Real Estate is aware of issues regarding hazardous substances on some of its properties. Real Estate regularly makes capital and operating expenditures to stay in compliance with environmental laws and has put in place a remedial plan at each site where it believes such a plan is necessary.


          Based upon the information currently available to Real Estate, compliance with the environmental laws and its share of the costs of investigation and cleanup of known hazardous waste sites are not expected to result in a material adverse effect on the Company&#x2019;s financial position or results of operations.


          Other

      We are named as a defendant in various other litigation and claims arising out of the normal course of business, including various class actions related to the Company&#x2019;s cybersecurity incident described above. In management&#x2019;s opinion, none of these other matters will have a material effect on our financial position and results of operations.</us-gaap:LegalMattersAndContingenciesTextBlock>
    <us-gaap:RelatedPartyTransactionsDisclosureTextBlock contextRef="DYCurrentNineMonthsToDate">

          10. Related Party Transactions


          As set forth in the Company&#x2019;s Audit Committee Charter and consistent with the NYSE Listed Company Manual, our Audit Committee (the &#x201c;Audit Committee&#x201d;) reviews and maintains oversight over related party transactions, which are required to be disclosed under the Securities and Exchange Commission (&#x201c;SEC&#x201d;) rules and regulations and in accordance with GAAP. Accordingly, all such related party transactions are submitted to the Audit Committee for ongoing review and oversight. Our internal processes are designed to ensure that our legal, accounting and finance departments identify and monitor potential related party transactions that may require disclosure and Audit Committee oversight.


          U-Haul Holding Company has engaged in related party transactions and has continuing related party interests with certain major stockholders, directors and officers of the consolidated group as disclosed below.


          SAC Holding Corporation and SAC Holding II Corporation (collectively &#x201c;SAC Holdings&#x201d;) were established in order to acquire and develop self-storage properties. These properties are being managed by us pursuant to management agreements. SAC Holdings, Four SAC Self-Storage Corporation, Five SAC Self-Storage Corporation, Galaxy Investments, L.P. and 2015 SAC Self-Storage, LLC are substantially controlled by Blackwater Investments, Inc. (&#x201c;Blackwater&#x201d;). Blackwater is wholly owned by Willow Grove Holdings LP, which is owned by Mark V. Shoen (a significant stockholder), and various trusts associated with Edward J. Shoen (our Chairman of the Board, President and a significant stockholder) and Mark V. Shoen.


          Related Party Revenue







                    &#160;






                    &#160;






                    Quarter Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    U-Haul management fee revenue from Blackwater






                    $







                      7,170







                    $







                      6,972









                    U-Haul management fee revenue from Mercury






                    &#160;







                      2,910







                    &#160;







                      2,679









                    &#160;






                    $







                      10,080







                    $







                      9,651








          &#160;







                    &#160;






                    &#160;






                    Nine Months Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    U-Haul management fee revenue from Blackwater






                    $







                      22,726







                    $







                      21,580









                    U-Haul management fee revenue from Mercury






                    &#160;







                      5,770







                    &#160;







                      5,267









                    &#160;






                    $







                      28,496







                    $







                      26,847








          &#160;

        We currently manage the self-storage properties owned or leased by Blackwater and Mercury Partners, L.P. (&#x201c;Mercury&#x201d;), pursuant to a standard form of management agreement, under which we receive a management fee of between 4% and 10% of the gross receipts plus reimbursement for certain expenses. We received management fees, exclusive of reimbursed expenses, of $24.9 million and $27.1 million from the above-mentioned entities during the first nine months of fiscal 2023 and 2022, respectively.&#160; The decrease in management fees received in the first nine months of fiscal 2023 compared with the first nine months of fiscal 2022 was due to a timing difference of the incentive fee of $4.0 million being paid in March of fiscal 2022. This management fee is consistent with the fee received for other properties we previously managed for third parties. Mark V. Shoen controls the general partner of Mercury. The limited partner interests of Mercury are owned indirectly by James P. Shoen (is the brother of Edward J. Shoen and Mark V. Shoen) and various trusts benefitting Edward J. Shoen and James P. Shoen or their descendants.&#160; Mercury holds the option to purchase a portfolio of properties currently leased by Mercury and a U-Haul subsidiary, which option is exercisable in 2024.


          Related Party Costs and Expenses







                    &#160;






                    &#160;






                    Quarter Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    U-Haul lease expenses to Blackwater






                    $







                      604







                    $







                      604









                    U-Haul commission expenses to Blackwater






                    &#160;







                      20,016







                    &#160;







                      21,086









                    &#160;






                    $







                      20,620







                    $







                      21,690








          &#160;







                    &#160;






                    &#160;






                    Nine Months Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    U-Haul lease expenses to Blackwater






                    $







                      1,812







                    $







                      1,841









                    U-Haul commission expenses to Blackwater






                    &#160;







                      71,283







                    &#160;







                      70,502









                    &#160;






                    $







                      73,095







                    $







                      72,343








          &#160;


          We lease space for marketing company offices, vehicle repair shops and hitch installation centers from subsidiaries of Blackwater. The terms of the leases are similar to the terms of leases for other properties owned by unrelated parties that are leased to us.


          As of December 31, 2022, subsidiaries of Blackwater acted as independent dealers. The financial and other terms of the dealership contracts are substantially identical to the terms of those with our other independent dealers whereby commissions are paid by us based upon equipment rental revenues.


          These agreements with subsidiaries of Blackwater, excluding Dealer Agreements, provided revenues of $

            22.7

           million and $

            21.6

           million, expenses of $

            1.8

           million and $

            1.8

           million and cash flows of $

            21.0

           million and $

            19.8

           million, respectively during the first nine months of fiscal 2023 and 2022. Revenues were $

            339.5

           million and $

            335.3

           million and commission expenses were $

            71.3
          million and $

            70.5

           million, respectively, related to the Dealer Agreements during the first nine months of fiscal 2023 and 2022.


          Management determined that we do not have a variable interest pursuant to the variable interest entity model under Accounting Standards Codification (&#x201c;ASC&#x201d;) 810 &#x2013;
          Consolidation
           in the holding entities of Blackwater based upon management agreements which are with the individual operating entities; therefore, we are precluded from consolidating these entities.


          Related Party Assets







                    &#160;






                    &#160;






                    December 31,






                    &#160;






                    March 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2022








                    &#160;






                    &#160;






                    (Unaudited)






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    (In thousands)








                    U-Haul receivable from Blackwater






                    $







                      64,055







                    $







                      41,364









                    U-Haul receivable from Mercury






                    &#160;







                      11,961







                    &#160;







                      5,708









                    Other (a)






                    &#160;






                    (467)






                    &#160;







                      779









                    &#160;






                    $







                      75,549







                    $







                      47,851









            (a)
            &#160;&#160;&#160;&#160;&#160;

          Timing differences for intercompany balances with insurance subsidiaries resulting from the three-month difference in reporting periods
        . </us-gaap:RelatedPartyTransactionsDisclosureTextBlock>
    <us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock contextRef="DYCurrentQuarterToDate">

                    &#160;



                    &#160;



                    Quarter Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    U-Haul management fee revenue from Blackwater



                    $




                      7,170




                    $




                      6,972




                    U-Haul management fee revenue from Mercury



                    &#160;




                      2,910




                    &#160;




                      2,679


                &#160;$
                      10,080
                    $
                      9,651
                    </us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">7170000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">6972000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember"
      decimals="-3"
      unitRef="USD">2910000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember"
      decimals="-3"
      unitRef="USD">2679000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromRelatedParties
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">10080000</us-gaap:RevenueFromRelatedParties>
    <us-gaap:RevenueFromRelatedParties
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">9651000</us-gaap:RevenueFromRelatedParties>
    <us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Nine Months Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    U-Haul management fee revenue from Blackwater



                    $




                      22,726




                    $




                      21,580




                    U-Haul management fee revenue from Mercury



                    &#160;




                      5,770




                    &#160;




                      5,267


                &#160;$
                      28,496
                    $
                      26,847
                    </us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">22726000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">21580000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember"
      decimals="-3"
      unitRef="USD">5770000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember"
      decimals="-3"
      unitRef="USD">5267000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromRelatedParties
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">28496000</us-gaap:RevenueFromRelatedParties>
    <us-gaap:RevenueFromRelatedParties
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">26847000</us-gaap:RevenueFromRelatedParties>
    <us-gaap:PropertyManagementFeePercentFee
      contextRef="DYCurrentNineMonthsToDate_RangeAxis_MinimumMember_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember"
      decimals="INF"
      unitRef="Pure">0.04</us-gaap:PropertyManagementFeePercentFee>
    <us-gaap:PropertyManagementFeePercentFee
      contextRef="DYCurrentNineMonthsToDate_RangeAxis_MaximumMember_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember"
      decimals="INF"
      unitRef="Pure">0.10</us-gaap:PropertyManagementFeePercentFee>
    <us-gaap:PropertyManagementFeeRevenue
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember"
      decimals="-5"
      unitRef="USD">24900000</us-gaap:PropertyManagementFeeRevenue>
    <us-gaap:PropertyManagementFeeRevenue
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember"
      decimals="-5"
      unitRef="USD">27100000</us-gaap:PropertyManagementFeeRevenue>
    <us-gaap:ProceedsFromInterestReceived
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsMercuryFourSacFiveSacGalaxyAndPrivateMiniMember"
      decimals="-5"
      unitRef="USD">4000000.0</us-gaap:ProceedsFromInterestReceived>
    <us-gaap:ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock contextRef="DYCurrentQuarterToDate">

                    &#160;



                    &#160;



                    Quarter Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    U-Haul lease expenses to Blackwater



                    $




                      604




                    $




                      604




                    U-Haul commission expenses to Blackwater



                    &#160;




                      20,016




                    &#160;




                      21,086


                &#160;$
                      20,620
                    $
                      21,690
                    </us-gaap:ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock>
    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">604000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">604000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:OtherGeneralAndAdministrativeExpense
      contextRef="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">20016000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:OtherGeneralAndAdministrativeExpense
      contextRef="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">21086000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:CostsAndExpensesRelatedParty
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">20620000</us-gaap:CostsAndExpensesRelatedParty>
    <us-gaap:CostsAndExpensesRelatedParty
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">21690000</us-gaap:CostsAndExpensesRelatedParty>
    <us-gaap:ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Nine Months Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    U-Haul lease expenses to Blackwater



                    $




                      1,812




                    $




                      1,841




                    U-Haul commission expenses to Blackwater



                    &#160;




                      71,283




                    &#160;




                      70,502


                &#160;$
                      73,095
                    $
                      72,343
                    </us-gaap:ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock>
    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">1812000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">1841000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:OtherGeneralAndAdministrativeExpense
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">71283000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:OtherGeneralAndAdministrativeExpense
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">70502000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:CostsAndExpensesRelatedParty
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">73095000</us-gaap:CostsAndExpensesRelatedParty>
    <us-gaap:CostsAndExpensesRelatedParty
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">72343000</us-gaap:CostsAndExpensesRelatedParty>
    <us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
      contextRef="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">22700000</us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty>
    <us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
      contextRef="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">21600000</us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty>
    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="DYCurrentQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">1800000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="DYPriorQuarterToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">1800000</us-gaap:OperatingLeasesRentExpenseNet>
    <uhal:CashGeneratedFromAgreementsAndNotes
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">21000000.0</uhal:CashGeneratedFromAgreementsAndNotes>
    <uhal:CashGeneratedFromAgreementsAndNotes
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">19800000</uhal:CashGeneratedFromAgreementsAndNotes>
    <uhal:ContractRevenues
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">339500000</uhal:ContractRevenues>
    <uhal:ContractRevenues
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">335300000</uhal:ContractRevenues>
    <us-gaap:OtherGeneralAndAdministrativeExpense
      contextRef="DYCurrentNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">71300000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:OtherGeneralAndAdministrativeExpense
      contextRef="DYPriorNineMonthsToDate_RelatedPartyTransactionsByRelatedPartyAxis_SacHoldingsFourSacFiveSacGalaxyAndPrivateMiniMember_StatementBusinessSegmentsAxis_VariousSubsidiariesOfAmercoMember"
      decimals="-5"
      unitRef="USD">70500000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <uhal:DueFromRelatedPartyRecapOfAssetsTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    December 31,



                    &#160;



                    March 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2022



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    (In thousands)



                    U-Haul receivable from Blackwater



                    $




                      64,055




                    $




                      41,364




                    U-Haul receivable from Mercury



                    &#160;




                      11,961




                    &#160;




                      5,708




                    Other (a)



                    &#160;



                    (467)



                    &#160;




                      779


                &#160;$
                      75,549
                    $
                      47,851
                    </uhal:DueFromRelatedPartyRecapOfAssetsTextBlock>
    <us-gaap:NotesReceivableRelatedParties
      contextRef="EndOfCurrentQuarter_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">64055000</us-gaap:NotesReceivableRelatedParties>
    <us-gaap:NotesReceivableRelatedParties
      contextRef="FYPriorEndYear_RelatedPartyTransactionsByRelatedPartyAxis_BlackwaterMember"
      decimals="-3"
      unitRef="USD">41364000</us-gaap:NotesReceivableRelatedParties>
    <us-gaap:NotesReceivableRelatedParties
      contextRef="EndOfCurrentQuarter_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember"
      decimals="-3"
      unitRef="USD">11961000</us-gaap:NotesReceivableRelatedParties>
    <us-gaap:NotesReceivableRelatedParties
      contextRef="FYPriorEndYear_RelatedPartyTransactionsByRelatedPartyAxis_MercuryMember"
      decimals="-3"
      unitRef="USD">5708000</us-gaap:NotesReceivableRelatedParties>
    <uhal:DueToRelatedParties
      contextRef="EndOfCurrentQuarter_RelatedPartyTransactionsByRelatedPartyAxis_InsuranceGroupMember"
      decimals="-3"
      unitRef="USD">-467000</uhal:DueToRelatedParties>
    <uhal:DueToRelatedParties
      contextRef="FYPriorEndYear_RelatedPartyTransactionsByRelatedPartyAxis_InsuranceGroupMember"
      decimals="-3"
      unitRef="USD">779000</uhal:DueToRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">75549000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">47851000</us-gaap:DueFromRelatedParties>
    <us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock contextRef="DYCurrentNineMonthsToDate">

          11. Consolidating Financial Information by Industry Segment:


          U-Haul Holding Company&#x2019;s three reportable segments are:


          &#160;



            Moving and Storage, comprised of U-Haul Holding Company, U-Haul, and Real Estate and the subsidiaries of U-Haul and Real Estate,



          &#160;



            Property and Casualty Insurance, comprised of Repwest and its subsidiaries and ARCOA, and



          &#160;



            Life Insurance, comprised of Oxford and its subsidiaries.



          &#160;

      Management tracks revenues separately, but does not report any separate measure of the profitability for rental vehicles, rentals of self-storage spaces and sales of products that are required to be classified as a separate operating segment and accordingly does not present these as separate reportable segments. Deferred income taxes are shown as liabilities on the condensed consolidating statements. The information includes elimination entries necessary to consolidate U-Haul Holding Company, the parent, with its subsidiaries. Investments in subsidiaries are accounted for by the parent using the equity method of accounting.</us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock>
    <srt:ScheduleOfCondensedBalanceSheetTableTextBlock contextRef="DYCurrentNineMonthsToDate">

          Consolidating balance sheets by industry segment as of December 31, 2022 are as follows:






                  &#160;




                  &#160;




                  Moving &amp; Storage


                  Consolidated




                  &#160;




                  Property &amp; Casualty Insurance (a)




                  &#160;




                  Life


                  Insurance (a)




                  &#160;




                  Eliminations




                  &#160;




                  &#160;




                  U-Haul Holding Company


                  Consolidated






                  &#160;




                  &#160;




                  (Unaudited)






                  &#160;




                  &#160;




                  (In thousands)






                  Assets:




                  &#160;






                  Cash and cash equivalents




                  $





                    2,429,943





                  $





                    20,505





                  $





                    60,171





                  $





                    &#x2013;





                  &#160;




                  $





                    2,510,619







                  Reinsurance recoverables and trade receivables, net




                  &#160;





                    124,001





                  &#160;





                    51,481





                  &#160;





                    32,700





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    208,182







                  Inventories and parts, net




                  &#160;





                    150,140





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    150,140







                  Prepaid expenses




                  &#160;





                    228,260





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    228,260







                  Investments, fixed maturities and marketable equities




                  &#160;





                    225,218





                  &#160;





                    267,338





                  &#160;





                    2,230,645





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    2,723,201







                  Investments, other




                  &#160;





                    23,330





                  &#160;





                    108,440





                  &#160;





                    386,685





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    518,455







                  Deferred policy acquisition costs, net




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    159,924





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    159,924







                  Other assets




                  &#160;





                    53,247





                  &#160;





                    507





                  &#160;





                    3,518





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    57,272







                  Right of use assets - financing, net




                  &#160;





                    504,640





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    504,640







                  Right of use assets - operating, net




                  &#160;





                    62,835





                  &#160;





                    977





                  &#160;





                    44





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    63,856







                  Related party assets




                  &#160;





                    93,719





                  &#160;





                    3,998





                  &#160;





                    12,499





                  &#160;




                  (34,667)




                  (c)




                  &#160;





                    75,549







                  &#160;




                  &#160;





                    3,895,333





                  &#160;





                    453,246





                  &#160;





                    2,886,186





                  &#160;




                  (34,667)




                  &#160;




                  &#160;





                    7,200,098







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Investment in subsidiaries




                  &#160;





                    422,549





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  (422,549)




                  (b)




                  &#160;





                    &#x2013;







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Property, plant and equipment, at cost:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Land




                  &#160;





                    1,504,507





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,504,507







                  Buildings and improvements




                  &#160;





                    6,728,424





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    6,728,424







                  Furniture and equipment




                  &#160;





                    898,468





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    898,468







                  Rental trailers and other rental equipment




                  &#160;





                    784,394





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    784,394







                  Rental trucks




                  &#160;





                    5,167,168





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    5,167,168







                  &#160;




                  &#160;





                    15,082,961





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    15,082,961







                  Less:
                  &#160;
                  Accumulated depreciation




                  &#160;




                  (4,166,731)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (4,166,731)






                  Total property, plant and equipment, net




                  &#160;





                    10,916,230





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    10,916,230







                  Total assets




                  $





                    15,234,112





                  $





                    453,246





                  $





                    2,886,186





                  $




                  (457,216)




                  &#160;




                  $





                    18,116,328







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  (a) Balances as of September 30, 2022




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  (b) Eliminate investment in subsidiaries




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  (c) Eliminate intercompany receivables and payables




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






          &#160;




          Consolidating balance sheets by industry segment as of December 31, 2022, continued:



                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty Insurance (a)



                  &#160;



                  Life



                  &#160;



                  Eliminations



                  &#160;



                  &#160;



                  U-Haul Holding Company Consolidated



                  &#160;



                  &#160;



                  (Unaudited)



                  &#160;



                  &#160;



                  (In thousands)



                  Liabilities:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Accounts payable and accrued expenses



                  $




                    690,320




                  $




                    5,943




                  $




                    7,149




                  $




                    &#x2013;




                  &#160;



                  $




                    703,412




                  Notes, loans and finance leases payable, net



                  &#160;




                    6,200,397




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    6,200,397




                  Operating lease liabilities



                  &#160;




                    62,367




                  &#160;




                    988




                  &#160;




                    47




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    63,402




                  Policy benefits and losses, claims and loss expenses payable



                  &#160;




                    430,645




                  &#160;




                    156,259




                  &#160;




                    393,296




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    980,200




                  Liabilities from investment contracts



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    2,396,702




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    2,396,702




                  Other policyholders' funds and liabilities



                  &#160;




                    &#x2013;




                  &#160;




                    4,154




                  &#160;




                    8,425




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    12,579




                  Deferred income



                  &#160;




                    45,222




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    45,222




                  Deferred income taxes, net



                  &#160;




                    1,372,516




                  &#160;




                    2,012




                  &#160;



                  (73,491)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    1,301,037




                  Related party liabilities



                  &#160;




                    24,866




                  &#160;




                    2,567




                  &#160;




                    12,832




                  &#160;



                  (40,265)



                  (c)



                  &#160;




                    &#x2013;




                  Total liabilities



                  &#160;




                    8,826,333




                  &#160;




                    171,923




                  &#160;




                    2,744,960




                  &#160;



                  (40,265)



                  &#160;



                  &#160;




                    11,702,951




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Stockholders' equity:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Series preferred stock:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Series A preferred stock



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    &#x2013;




                  Series B preferred stock



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    &#x2013;




                  Series A common stock



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    &#x2013;




                  Voting Common Stock



                  &#160;




                    10,497




                  &#160;




                    3,301




                  &#160;




                    2,500




                  &#160;



                  (5,801)



                  (b)



                  &#160;




                    10,497




                  Non-Voting Common Stock



                  &#160;




                    176




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    176




                  Additional paid-in capital



                  &#160;




                    453,853




                  &#160;




                    91,120




                  &#160;




                    26,271




                  &#160;



                  (117,601)



                  (b)



                  &#160;




                    453,643




                  Accumulated other comprehensive income (loss)



                  &#160;



                  (289,714)



                  &#160;



                  (17,969)



                  &#160;



                  (219,145)



                  &#160;




                    242,712




                  (b)



                  &#160;



                  (284,116)



                  Retained earnings



                  &#160;




                    6,910,617




                  &#160;




                    204,871




                  &#160;




                    331,600




                  &#160;



                  (536,261)



                  (b)



                  &#160;




                    6,910,827




                  Cost of common stock in treasury, net



                  &#160;



                  (525,653)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (525,653)



                  Cost of preferred stock in treasury, net



                  &#160;



                  (151,997)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (151,997)



                  Total stockholders' equity



                  &#160;




                    6,407,779




                  &#160;




                    281,323




                  &#160;




                    141,226




                  &#160;



                  (416,951)



                  &#160;



                  &#160;




                    6,413,377




                  Total liabilities and stockholders' equity



                  $




                    15,234,112




                  $




                    453,246




                  $




                    2,886,186




                  $



                  (457,216)



                  &#160;



                  $




                    18,116,328




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (a) Balances as of September 30, 2022



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (b) Eliminate investment in subsidiaries



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;

              (c) Eliminate intercompany receivables and payables&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedBalanceSheetTableTextBlock>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2429943000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">20505000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">60171000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2510619000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">124001000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">51481000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">32700000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">208182000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <us-gaap:InventoryNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">150140000</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">150140000</us-gaap:InventoryNet>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">228260000</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">228260000</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:MarketableSecurities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">225218000</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">267338000</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2230645000</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2723201000</us-gaap:MarketableSecurities>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">23330000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">108440000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">386685000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">518455000</us-gaap:Investments>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">159924000</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">159924000</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DepositsAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">53247000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">507000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3518000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">57272000</us-gaap:DepositsAssets>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">504640000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">504640000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">62835000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">977000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">44000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">63856000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">93719000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3998000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">12499000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-34667000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">75549000</us-gaap:DueFromRelatedParties>
    <uhal:SubtotalAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">3895333000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">453246000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2886186000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-34667000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">7200098000</uhal:SubtotalAssets>
    <us-gaap:EquityMethodInvestments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">422549000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-422549000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">0</us-gaap:EquityMethodInvestments>
    <us-gaap:Land
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1504507000</us-gaap:Land>
    <us-gaap:Land
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Land>
    <us-gaap:Land
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Land>
    <us-gaap:Land
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Land>
    <us-gaap:Land
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">1504507000</us-gaap:Land>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6728424000</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6728424000</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">898468000</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">898468000</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">784394000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember"
      decimals="-3"
      unitRef="USD">784394000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">5167168000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="EndOfCurrentQuarter_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember"
      decimals="-3"
      unitRef="USD">5167168000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">15082961000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">15082961000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4166731000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">4166731000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">10916230000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">10916230000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">15234112000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">453246000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2886186000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-457216000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">18116328000</us-gaap:Assets>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">690320000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">5943000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">7149000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">703412000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6200397000</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6200397000</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">62367000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">988000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">47000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">63402000</us-gaap:OperatingLeaseLiability>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">430645000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">156259000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">393296000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">980200000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2396702000</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2396702000</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:PolicyholderFunds
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">4154000</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">8425000</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">12579000</us-gaap:PolicyholderFunds>
    <us-gaap:DeferredRevenue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">45222000</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">45222000</us-gaap:DeferredRevenue>
    <us-gaap:DeferredTaxLiabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1372516000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2012000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-73491000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">1301037000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">24866000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2567000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">12832000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-40265000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">0</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:Liabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">8826333000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">171923000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2744960000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-40265000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">11702951000</us-gaap:Liabilities>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesAPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_SeriesBPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonClassAMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3301000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2500000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-5801000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">176000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">176000</us-gaap:CommonStockValue>
    <us-gaap:AdditionalPaidInCapital
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">453853000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">91120000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">26271000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-117601000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">453643000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-289714000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-17969000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-219145000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">242712000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">-284116000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6910617000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">204871000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">331600000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-536261000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6910827000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">525653000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_CommonStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">525653000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">151997000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="EndOfCurrentQuarter_StatementClassOfStockAxis_PreferredStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">151997000</us-gaap:TreasuryStockValue>
    <us-gaap:StockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6407779000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">281323000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">141226000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-416951000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6413377000</us-gaap:StockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">15234112000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">453246000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2886186000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-457216000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">18116328000</us-gaap:LiabilitiesAndStockholdersEquity>
    <srt:ScheduleOfCondensedBalanceSheetTableTextBlock contextRef="DYPriorYear">

          Consolidating balance sheets by industry segment as of March 31, 2022 are as follows:






                  &#160;




                  &#160;




                  Moving &amp; Storage


                  Consolidated




                  &#160;




                  Property &amp; Casualty Insurance (a)




                  &#160;




                  Life


                  Insurance (a)




                  &#160;




                  Eliminations




                  &#160;




                  &#160;




                  U-Haul Holding Company Consolidated






                  &#160;




                  &#160;




                  &#160;






                  Assets:




                  &#160;




                  (In thousands)






                  Cash and cash equivalents




                  $
                  &#160;





                    2,643,213





                  $
                  &#160;





                    10,800





                  $
                  &#160;





                    50,124





                  $
                  &#160;





                    &#x2013;





                  &#160;




                  $
                  &#160;





                    2,704,137







                  Reinsurance recoverables and trade receivables, net




                  &#160;





                    142,895





                  &#160;





                    50,235





                  &#160;





                    36,213





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    229,343







                  Inventories and parts, net




                  &#160;





                    158,888





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    158,888







                  Prepaid expenses




                  &#160;





                    236,915





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    236,915







                  Investments, fixed maturities and marketable equities




                  &#160;





                    &#x2013;





                  &#160;





                    297,488





                  &#160;





                    2,595,911





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    2,893,399







                  Investments, other




                  &#160;





                    20,653





                  &#160;





                    114,269





                  &#160;





                    408,833





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    543,755







                  Deferred policy acquisition costs, net




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    103,828





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    103,828







                  Other assets




                  &#160;





                    57,305





                  &#160;





                    371





                  &#160;





                    2,733





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    60,409







                  Right of use assets - financing, net




                  &#160;





                    620,824





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    620,824







                  Right of use assets - operating, net




                  &#160;





                    74,190





                  &#160;





                    93





                  &#160;





                    99





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    74,382







                  Related party assets




                  &#160;





                    64,611





                  &#160;





                    6,713





                  &#160;





                    16,911





                  &#160;




                  (40,384)




                  (c)




                  &#160;





                    47,851







                  &#160;




                  &#160;





                    4,019,494





                  &#160;





                    479,969





                  &#160;





                    3,214,652





                  &#160;




                  (40,384)




                  &#160;




                  &#160;





                    7,673,731







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Investment in subsidiaries




                  &#160;





                    737,073





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  (737,073)




                  (b)




                  &#160;





                    &#x2013;







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Property, plant and equipment, at cost:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Land




                  &#160;





                    1,283,142





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,283,142







                  Buildings and improvements




                  &#160;





                    5,974,639





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    5,974,639







                  Furniture and equipment




                  &#160;





                    846,132





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    846,132







                  Rental trailers and other rental equipment




                  &#160;





                    615,679





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    615,679







                  Rental trucks




                  &#160;





                    4,638,814





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    4,638,814







                  &#160;




                  &#160;





                    13,358,406





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    13,358,406







                  Less:
                  &#160;
                  Accumulated depreciation




                  &#160;




                  (3,732,556)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (3,732,556)






                  Total property, plant and equipment, net




                  &#160;





                    9,625,850





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    9,625,850







                  Total assets




                  $
                  &#160;





                    14,382,417





                  $
                  &#160;





                    479,969





                  $
                  &#160;





                    3,214,652





                  $
                  &#160;




                  (777,457)




                  &#160;




                  $
                  &#160;





                    17,299,581







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  (a) Balances as of December 31, 2021




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  (b) Eliminate investment in subsidiaries




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  (c) Eliminate intercompany receivables and payables




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






          &#160;




          Consolidating balance sheets by industry segment as of March 31, 2022, continued:



                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty Insurance (a)



                  &#160;



                  Life



                  &#160;



                  Eliminations



                  &#160;



                  &#160;



                  U-Haul Holding Company Consolidated



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (In thousands)



                  Liabilities:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Accounts payable and accrued expenses



                  $




                    663,482




                  $




                    3,849




                  $




                    10,454




                  $




                    &#x2013;




                  &#160;



                  $




                    677,785




                  Notes, loans and finance leases payable, net



                  &#160;




                    6,022,497




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    6,022,497




                  Operating lease liabilities



                  &#160;




                    73,998




                  &#160;




                    93




                  &#160;




                    106




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    74,197




                  Policy benefits and losses, claims and loss expenses payable



                  &#160;




                    418,890




                  &#160;




                    160,379




                  &#160;




                    398,985




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    978,254




                  Liabilities from investment contracts



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    2,336,238




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    2,336,238




                  Other policyholders' funds and liabilities



                  &#160;




                    &#x2013;




                  &#160;




                    3,521




                  &#160;




                    7,291




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    10,812




                  Deferred income



                  &#160;




                    49,157




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    49,157




                  Deferred income taxes, net



                  &#160;




                    1,244,639




                  &#160;




                    12,803




                  &#160;




                    7,916




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    1,265,358




                  Related party liabilities



                  &#160;




                    25,668




                  &#160;




                    3,196




                  &#160;




                    12,717




                  &#160;



                  (41,581)



                  (c)



                  &#160;




                    &#x2013;




                  Total liabilities



                  &#160;




                    8,498,331




                  &#160;




                    183,841




                  &#160;




                    2,773,707




                  &#160;



                  (41,581)



                  &#160;



                  &#160;




                    11,414,298




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Stockholders' equity:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Series preferred stock:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Series A preferred stock



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    &#x2013;




                  Series B preferred stock



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    &#x2013;




                  Series A common stock



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    &#x2013;




                  Voting Common stock



                  &#160;




                    10,497




                  &#160;




                    3,301




                  &#160;




                    2,500




                  &#160;



                  (5,801)



                  (b)



                  &#160;




                    10,497




                  Additional paid-in capital



                  &#160;




                    454,029




                  &#160;




                    91,120




                  &#160;




                    26,271




                  &#160;



                  (117,601)



                  (b)



                  &#160;




                    453,819




                  Accumulated other comprehensive income (loss)



                  &#160;




                    45,187




                  &#160;




                    16,630




                  &#160;




                    87,200




                  &#160;



                  (102,633)



                  (b)



                  &#160;




                    46,384




                  Retained earnings



                  &#160;




                    6,052,023




                  &#160;




                    185,077




                  &#160;




                    324,974




                  &#160;



                  (509,841)



                  (b)



                  &#160;




                    6,052,233




                  Cost of common stock in treasury, net



                  &#160;



                  (525,653)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (525,653)



                  Cost of preferred stock in treasury, net



                  &#160;



                  (151,997)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (151,997)



                  Total stockholders' equity



                  &#160;




                    5,884,086




                  &#160;




                    296,128




                  &#160;




                    440,945




                  &#160;



                  (735,876)



                  &#160;



                  &#160;




                    5,885,283




                  Total liabilities and stockholders' equity



                  $




                    14,382,417




                  $




                    479,969




                  $




                    3,214,652




                  $



                  (777,457)



                  &#160;



                  $




                    17,299,581




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (a) Balances as of December 31, 2021



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (b) Eliminate investment in subsidiaries



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;

              (c) Eliminate intercompany receivables and payables&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedBalanceSheetTableTextBlock>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2643213000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">10800000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">50124000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2704137000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">142895000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">50235000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">36213000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">229343000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <us-gaap:InventoryNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">158888000</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryNet>
    <us-gaap:InventoryNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">158888000</us-gaap:InventoryNet>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">236915000</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:OtherPrepaidExpenseCurrent contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">236915000</us-gaap:OtherPrepaidExpenseCurrent>
    <us-gaap:MarketableSecurities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">297488000</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2595911000</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:MarketableSecurities>
    <us-gaap:MarketableSecurities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2893399000</us-gaap:MarketableSecurities>
    <us-gaap:Investments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">20653000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">114269000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">408833000</us-gaap:Investments>
    <us-gaap:Investments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Investments>
    <us-gaap:Investments contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">543755000</us-gaap:Investments>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">103828000</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">103828000</us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired>
    <us-gaap:DepositsAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">57305000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">371000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2733000</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DepositsAssets>
    <us-gaap:DepositsAssets contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">60409000</us-gaap:DepositsAssets>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">620824000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">620824000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">74190000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">93000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">99000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">74382000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:DueFromRelatedParties
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">64611000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">6713000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">16911000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-40384000</us-gaap:DueFromRelatedParties>
    <us-gaap:DueFromRelatedParties contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">47851000</us-gaap:DueFromRelatedParties>
    <uhal:SubtotalAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4019494000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">479969000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3214652000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-40384000</uhal:SubtotalAssets>
    <uhal:SubtotalAssets contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">7673731000</uhal:SubtotalAssets>
    <us-gaap:EquityMethodInvestments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">737073000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-737073000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">0</us-gaap:EquityMethodInvestments>
    <us-gaap:Land
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1283142000</us-gaap:Land>
    <us-gaap:Land
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Land>
    <us-gaap:Land
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Land>
    <us-gaap:Land
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Land>
    <us-gaap:Land contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">1283142000</us-gaap:Land>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">5974639000</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:BuildingsAndImprovementsGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5974639000</us-gaap:BuildingsAndImprovementsGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">846132000</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:FurnitureAndFixturesGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">846132000</us-gaap:FurnitureAndFixturesGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">615679000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrailersAndOtherRentalEquipmentMember"
      decimals="-3"
      unitRef="USD">615679000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4638814000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
      contextRef="FYPriorEndYear_PropertyPlantAndEquipmentByTypeAxis_RentalTrucksMember"
      decimals="-3"
      unitRef="USD">4638814000</us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">13358406000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">13358406000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">3732556000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">3732556000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">9625850000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">9625850000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:Assets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">14382417000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">479969000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3214652000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-777457000</us-gaap:Assets>
    <us-gaap:Assets contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">17299581000</us-gaap:Assets>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">663482000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3849000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">10454000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">677785000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6022497000</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:DebtAndCapitalLeaseObligations contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">6022497000</us-gaap:DebtAndCapitalLeaseObligations>
    <us-gaap:OperatingLeaseLiability
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">73998000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">93000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">106000</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeaseLiability>
    <us-gaap:OperatingLeaseLiability contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">74197000</us-gaap:OperatingLeaseLiability>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">418890000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">160379000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">398985000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">978254000</us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2336238000</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2336238000</us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts>
    <us-gaap:PolicyholderFunds
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3521000</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">7291000</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderFunds>
    <us-gaap:PolicyholderFunds contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">10812000</us-gaap:PolicyholderFunds>
    <us-gaap:DeferredRevenue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">49157000</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredRevenue>
    <us-gaap:DeferredRevenue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">49157000</us-gaap:DeferredRevenue>
    <us-gaap:DeferredTaxLiabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1244639000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">12803000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">7916000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DeferredTaxLiabilities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">1265358000</us-gaap:DeferredTaxLiabilities>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">25668000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3196000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">12717000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-41581000</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:DueToRelatedPartiesCurrentAndNoncurrent contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">0</us-gaap:DueToRelatedPartiesCurrentAndNoncurrent>
    <us-gaap:Liabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">8498331000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">183841000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2773707000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-41581000</us-gaap:Liabilities>
    <us-gaap:Liabilities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">11414298000</us-gaap:Liabilities>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesAPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:PreferredStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_SeriesBPreferredStockMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PreferredStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonClassAMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3301000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2500000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-5801000</us-gaap:CommonStockValue>
    <us-gaap:CommonStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_AmercoCommonStockMember"
      decimals="-3"
      unitRef="USD">10497000</us-gaap:CommonStockValue>
    <us-gaap:AdditionalPaidInCapital
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">454029000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">91120000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">26271000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-117601000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AdditionalPaidInCapital contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">453819000</us-gaap:AdditionalPaidInCapital>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">45187000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">16630000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">87200000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-102633000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">46384000</us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6052023000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">185077000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">324974000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-509841000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:RetainedEarningsAccumulatedDeficit contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">6052233000</us-gaap:RetainedEarningsAccumulatedDeficit>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">525653000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_CommonStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">525653000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">151997000</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TreasuryStockValue>
    <us-gaap:TreasuryStockValue
      contextRef="FYPriorEndYear_StatementClassOfStockAxis_PreferredStockInTreasuryMember"
      decimals="-3"
      unitRef="USD">151997000</us-gaap:TreasuryStockValue>
    <us-gaap:StockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">5884086000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">296128000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">440945000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-735876000</us-gaap:StockholdersEquity>
    <us-gaap:StockholdersEquity contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5885283000</us-gaap:StockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">14382417000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">479969000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3214652000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-777457000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">17299581000</us-gaap:LiabilitiesAndStockholdersEquity>
    <srt:ScheduleOfCondensedIncomeStatementTableTextBlock contextRef="DYCurrentQuarterToDate">

                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty Insurance (a)



                  &#160;



                  Life



                  &#160;



                  Eliminations



                  &#160;



                  &#160;



                  U-Haul Holding Company



                  &#160;



                  &#160;



                  (Unaudited)



                  &#160;



                  &#160;



                  (In thousands)



                  Revenues:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Self-moving equipment rentals



                  $




                    900,209




                  $




                    &#x2013;




                  $




                    &#x2013;




                  $



                  (1,390)



                  (c)



                  $




                    898,819




                  Self-storage revenues



                  &#160;




                    190,483




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    190,483




                  Self-moving and self-storage products and service sales



                  &#160;




                    74,851




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    74,851




                  Property management fees



                  &#160;




                    10,080




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    10,080




                  Life insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    24,399




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    24,399




                  Property and casualty insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    26,852




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  (c)



                  &#160;




                    26,852




                  Net investment and interest income



                  &#160;




                    24,450




                  &#160;




                    1,614




                  &#160;




                    27,230




                  &#160;



                  (1,000)



                  (b)



                  &#160;




                    52,294




                  Other revenue



                  &#160;




                    96,334




                  &#160;




                    &#x2013;




                  &#160;




                    1,333




                  &#160;



                  (109)



                  (b)



                  &#160;




                    97,558




                  Total revenues



                  &#160;




                    1,296,407




                  &#160;




                    28,466




                  &#160;




                    52,962




                  &#160;



                  (2,499)



                  &#160;



                  &#160;




                    1,375,336




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Costs and expenses:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Operating expenses



                  &#160;




                    718,067




                  &#160;




                    11,790




                  &#160;




                    5,109




                  &#160;



                  (1,497)



                  (b,c)



                  &#160;




                    733,469




                  Commission expenses



                  &#160;




                    95,980




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    95,980




                  Cost of sales



                  &#160;




                    54,616




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    54,616




                  Benefits and losses



                  &#160;




                    &#x2013;




                  &#160;




                    5,737




                  &#160;




                    35,635




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    41,372




                  Amortization of deferred policy acquisition costs



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    6,979




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    6,979




                  Lease expense



                  &#160;




                    8,302




                  &#160;




                    93




                  &#160;




                    26




                  &#160;



                  (629)



                  (b)



                  &#160;




                    7,792




                  Depreciation, net of gains on disposal



                  &#160;




                    113,866




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    113,866




                  Net losses on disposal of real estate



                  &#160;




                    859




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    859




                  Total costs and expenses



                  &#160;




                    991,690




                  &#160;




                    17,620




                  &#160;




                    47,749




                  &#160;



                  (2,126)



                  &#160;



                  &#160;




                    1,054,933




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations before equity in earnings of subsidiaries



                  &#160;




                    304,717




                  &#160;




                    10,846




                  &#160;




                    5,213




                  &#160;



                  (373)



                  &#160;



                  &#160;




                    320,403




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Equity in earnings of subsidiaries



                  &#160;




                    12,699




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  (12,699)



                  (d)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations



                  &#160;




                    317,416




                  &#160;




                    10,846




                  &#160;




                    5,213




                  &#160;



                  (13,072)



                  &#160;



                  &#160;




                    320,403




                  Other components of net periodic benefit costs



                  &#160;



                  (304)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (304)



                  Interest expense



                  &#160;



                  (59,294)



                  &#160;




                    &#x2013;




                  &#160;



                  (120)



                  &#160;




                    373




                  (b)



                  &#160;



                  (59,041)



                  Fees on early extinguishment of debt



                  &#160;



                  (50)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (50)



                  Pretax earnings



                  &#160;




                    257,768




                  &#160;




                    10,846




                  &#160;




                    5,093




                  &#160;



                  (12,699)



                  &#160;



                  &#160;




                    261,008




                  Income tax expense



                  &#160;



                  (58,524)



                  &#160;



                  (2,167)



                  &#160;



                  (1,073)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (61,764)



                  Earnings available to common stockholders



                  $




                    199,244




                  $




                    8,679




                  $




                    4,020




                  $



                  (12,699)



                  &#160;



                  $




                    199,244




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (a) Balances for the quarter ended September 30, 2022



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (b) Eliminate intercompany lease / interest income



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (c) Eliminate intercompany premiums



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;

              (d) Eliminate equity in earnings of subsidiaries &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedIncomeStatementTableTextBlock>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">900209000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1390000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">898819000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">190483000</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">190483000</uhal:SelfStorageRevenues>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">74851000</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">74851000</uhal:SaleRevenuesGoodsGross>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">10080000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">10080000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">24399000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">24399000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">26852000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">26852000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">24450000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">1614000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">27230000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1000000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">52294000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:OtherIncome
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">96334000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1333000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-109000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">97558000</us-gaap:OtherIncome>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1296407000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">28466000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">52962000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-2499000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1375336000</us-gaap:Revenues>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">718067000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">11790000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">5109000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1497000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">733469000</us-gaap:OperatingExpenses>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">95980000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">95980000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">54616000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">54616000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">5737000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">35635000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">41372000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">6979000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">6979000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">8302000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">93000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">26000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-629000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">7792000</us-gaap:LeaseAndRentalExpense>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">113866000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">113866000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">859000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">859000</uhal:GainLossDisposalOfAssets>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">991690000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">17620000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">47749000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-2126000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1054933000</us-gaap:CostsAndExpenses>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">304717000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">10846000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">5213000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-373000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">320403000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">12699000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-12699000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">317416000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">10846000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">5213000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-13072000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">320403000</us-gaap:OperatingIncomeLoss>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">304000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">304000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">59294000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">120000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-373000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">59041000</us-gaap:InterestExpense>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">50000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">50000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">257768000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">10846000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">5093000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-12699000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">261008000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">58524000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2167000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1073000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">61764000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">8679000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">4020000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-12699000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">199244000</us-gaap:NetIncomeLoss>
    <srt:ScheduleOfCondensedIncomeStatementTableTextBlock contextRef="DYPriorQuarterToDate">

                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty Insurance (a)



                  &#160;



                  Life



                  &#160;



                  Eliminations



                  &#160;



                  &#160;



                  U-Haul Holding Company



                  &#160;



                  &#160;



                  (Unaudited)



                  &#160;



                  &#160;



                  (In thousands)



                  Revenues:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Self-moving equipment rentals



                  $




                    977,052




                  $




                    &#x2013;




                  $




                    &#x2013;




                  $



                  (1,500)



                  (c)



                  $




                    975,552




                  Self-storage revenues



                  &#160;




                    159,424




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    159,424




                  Self-moving and self-storage products and service sales



                  &#160;




                    75,402




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    75,402




                  Property management fees



                  &#160;




                    9,651




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    9,651




                  Life insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    27,010




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    27,010




                  Property and casualty insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    26,477




                  &#160;




                    &#x2013;




                  &#160;



                  (859)



                  (c)



                  &#160;




                    25,618




                  Net investment and interest income



                  &#160;




                    666




                  &#160;




                    3,343




                  &#160;




                    28,182




                  &#160;



                  (1,007)



                  (b)



                  &#160;




                    31,184




                  Other revenue



                  &#160;




                    99,385




                  &#160;




                    &#x2013;




                  &#160;




                    1,225




                  &#160;



                  (115)



                  (b)



                  &#160;




                    100,495




                  Total revenues



                  &#160;




                    1,321,580




                  &#160;




                    29,820




                  &#160;




                    56,417




                  &#160;



                  (3,481)



                  &#160;



                  &#160;




                    1,404,336




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Costs and expenses:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Operating expenses



                  &#160;




                    642,900




                  &#160;




                    12,198




                  &#160;




                    5,465




                  &#160;



                  (2,468)



                  (b,c)



                  &#160;




                    658,095




                  Commission expenses



                  &#160;




                    105,155




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    105,155




                  Cost of sales



                  &#160;




                    57,042




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    57,042




                  Benefits and losses



                  &#160;




                    &#x2013;




                  &#160;




                    7,892




                  &#160;




                    39,374




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    47,266




                  Amortization of deferred policy acquisition costs



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    7,947




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    7,947




                  Lease expense



                  &#160;




                    7,917




                  &#160;




                    73




                  &#160;




                    28




                  &#160;



                  (624)



                  (b)



                  &#160;




                    7,394




                  Depreciation, net of gains on disposal



                  &#160;




                    103,736




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    103,736




                  Net losses on disposal of real estate



                  &#160;




                    977




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    977




                  Total costs and expenses



                  &#160;




                    917,727




                  &#160;




                    20,163




                  &#160;




                    52,814




                  &#160;



                  (3,092)



                  &#160;



                  &#160;




                    987,612




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations before equity in earnings of subsidiaries



                  &#160;




                    403,853




                  &#160;




                    9,657




                  &#160;




                    3,603




                  &#160;



                  (389)



                  &#160;



                  &#160;




                    416,724




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Equity in earnings of subsidiaries



                  &#160;




                    10,403




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  (10,403)



                  (d)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations



                  &#160;




                    414,256




                  &#160;




                    9,657




                  &#160;




                    3,603




                  &#160;



                  (10,792)



                  &#160;



                  &#160;




                    416,724




                  Other components of net periodic benefit costs



                  &#160;



                  (280)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (280)



                  Interest expense



                  &#160;



                  (44,311)



                  &#160;




                    &#x2013;




                  &#160;



                  (120)



                  &#160;




                    389




                  (b)



                  &#160;



                  (44,042)



                  Fees on early extinguishment of debt



                  &#160;



                  (956)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (956)



                  Pretax earnings



                  &#160;




                    368,709




                  &#160;




                    9,657




                  &#160;




                    3,483




                  &#160;



                  (10,403)



                  &#160;



                  &#160;




                    371,446




                  Income tax expense



                  &#160;



                  (87,243)



                  &#160;



                  (2,027)



                  &#160;



                  (710)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (89,980)



                  Earnings available to common stockholders



                  $




                    281,466




                  $




                    7,630




                  $




                    2,773




                  $



                  (10,403)



                  &#160;



                  $




                    281,466




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (a) Balances for the quarter ended September 30, 2021



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (b) Eliminate intercompany lease / interest income



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (c) Eliminate intercompany premiums



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;

              (d) Eliminate equity in earnings of subsidiaries&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedIncomeStatementTableTextBlock>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">977052000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1500000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">975552000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">159424000</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">159424000</uhal:SelfStorageRevenues>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">75402000</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">75402000</uhal:SaleRevenuesGoodsGross>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">9651000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">9651000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">27010000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">27010000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">26477000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-859000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">25618000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">666000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3343000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">28182000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1007000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">31184000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:OtherIncome
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">99385000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1225000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-115000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">100495000</us-gaap:OtherIncome>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1321580000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">29820000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">56417000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3481000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1404336000</us-gaap:Revenues>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">642900000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">12198000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">5465000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-2468000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">658095000</us-gaap:OperatingExpenses>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">105155000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">105155000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">57042000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">57042000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">7892000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">39374000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">47266000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">7947000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">7947000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">7917000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">73000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">28000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-624000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">7394000</us-gaap:LeaseAndRentalExpense>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">103736000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">103736000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">977000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">977000</uhal:GainLossDisposalOfAssets>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">917727000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">20163000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">52814000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3092000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">987612000</us-gaap:CostsAndExpenses>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">403853000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">9657000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3603000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-389000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">416724000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">10403000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-10403000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">414256000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">9657000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3603000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-10792000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">416724000</us-gaap:OperatingIncomeLoss>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">280000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">280000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">44311000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">120000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-389000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">44042000</us-gaap:InterestExpense>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">956000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">956000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">368709000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">9657000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3483000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-10403000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">371446000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">87243000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2027000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">710000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">89980000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">7630000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2773000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-10403000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">281466000</us-gaap:NetIncomeLoss>
    <srt:ScheduleOfCondensedIncomeStatementTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty Insurance (a)



                  &#160;



                  Life



                  &#160;



                  Eliminations



                  &#160;



                  &#160;



                  U-Haul Holding Company



                  &#160;



                  &#160;



                  (Unaudited)



                  &#160;



                  &#160;



                  (In thousands)



                  Revenues:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Self-moving equipment rentals



                  $




                    3,155,295




                  $




                    &#x2013;




                  $




                    &#x2013;




                  $



                  (3,676)



                  (c)



                  $




                    3,151,619




                  Self-storage revenues



                  &#160;




                    549,246




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    549,246




                  Self-moving and self-storage products and service sales



                  &#160;




                    281,066




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    281,066




                  Property management fees



                  &#160;




                    28,496




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    28,496




                  Life insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    75,636




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    75,636




                  Property and casualty insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    73,642




                  &#160;




                    &#x2013;




                  &#160;



                  (1,100)



                  (c)



                  &#160;




                    72,542




                  Net investment and interest income



                  &#160;




                    44,467




                  &#160;




                    1,269




                  &#160;




                    73,659




                  &#160;



                  (3,019)



                  (b)



                  &#160;




                    116,376




                  Other revenue



                  &#160;




                    398,293




                  &#160;




                    &#x2013;




                  &#160;




                    3,466




                  &#160;



                  (700)



                  (b)



                  &#160;




                    401,059




                  Total revenues



                  &#160;




                    4,456,863




                  &#160;




                    74,911




                  &#160;




                    152,761




                  &#160;



                  (8,495)



                  &#160;



                  &#160;




                    4,676,040




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Costs and expenses:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Operating expenses



                  &#160;




                    2,234,359




                  &#160;




                    33,560




                  &#160;




                    15,776




                  &#160;



                  (5,465)



                  (b,c)



                  &#160;




                    2,278,230




                  Commission expenses



                  &#160;




                    339,814




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    339,814




                  Cost of sales



                  &#160;




                    206,912




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    206,912




                  Benefits and losses



                  &#160;




                    &#x2013;




                  &#160;




                    16,191




                  &#160;




                    106,644




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    122,835




                  Amortization of deferred policy acquisition costs



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    21,623




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    21,623




                  Lease expense



                  &#160;




                    24,483




                  &#160;




                    277




                  &#160;




                    80




                  &#160;



                  (1,889)



                  (b)



                  &#160;




                    22,951




                  Depreciation, net of gains on disposal



                  &#160;




                    344,980




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    344,980




                  Net losses on disposal of real estate



                  &#160;




                    5,038




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    5,038




                  Total costs and expenses



                  &#160;




                    3,155,586




                  &#160;




                    50,028




                  &#160;




                    144,123




                  &#160;



                  (7,354)



                  &#160;



                  &#160;




                    3,342,383




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations before equity in earnings of subsidiaries



                  &#160;




                    1,301,277




                  &#160;




                    24,883




                  &#160;




                    8,638




                  &#160;



                  (1,141)



                  &#160;



                  &#160;




                    1,333,657




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Equity in earnings of subsidiaries



                  &#160;




                    26,420




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  (26,420)



                  (d)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations



                  &#160;




                    1,327,697




                  &#160;




                    24,883




                  &#160;




                    8,638




                  &#160;



                  (27,561)



                  &#160;



                  &#160;




                    1,333,657




                  Other components of net periodic benefit costs



                  &#160;



                  (912)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (912)



                  Interest expense



                  &#160;



                  (166,814)



                  &#160;




                    &#x2013;




                  &#160;



                  (360)



                  &#160;




                    1,141




                  (b)



                  &#160;



                  (166,033)



                  Fees on early extinguishment of debt



                  &#160;



                  (1,009)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (1,009)



                  Pretax earnings



                  &#160;




                    1,158,962




                  &#160;




                    24,883




                  &#160;




                    8,278




                  &#160;



                  (26,420)



                  &#160;



                  &#160;




                    1,165,703




                  Income tax expense



                  &#160;



                  (273,701)



                  &#160;



                  (5,089)



                  &#160;



                  (1,652)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (280,442)



                  Earnings available to common stockholders



                  $




                    885,261




                  $




                    19,794




                  $




                    6,626




                  $



                  (26,420)



                  &#160;



                  $




                    885,261




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (a) Balances for the nine months ended September 30, 2022



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (b) Eliminate intercompany lease / interest income



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (c) Eliminate intercompany premiums



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;

              (d) Eliminate equity in earnings of subsidiaries &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedIncomeStatementTableTextBlock>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">3155295000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3676000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3151619000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">549246000</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">549246000</uhal:SelfStorageRevenues>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">281066000</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">281066000</uhal:SaleRevenuesGoodsGross>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">28496000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">28496000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">75636000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">75636000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">73642000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1100000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">72542000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">44467000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">1269000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">73659000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3019000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">116376000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:OtherIncome
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">398293000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3466000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-700000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">401059000</us-gaap:OtherIncome>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4456863000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">74911000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">152761000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-8495000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4676040000</us-gaap:Revenues>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2234359000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">33560000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">15776000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-5465000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2278230000</us-gaap:OperatingExpenses>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">339814000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">339814000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">206912000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">206912000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">16191000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">106644000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122835000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">21623000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">21623000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">24483000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">277000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">80000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1889000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">22951000</us-gaap:LeaseAndRentalExpense>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">344980000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">344980000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">5038000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5038000</uhal:GainLossDisposalOfAssets>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">3155586000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">50028000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">144123000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-7354000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3342383000</us-gaap:CostsAndExpenses>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1301277000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">24883000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">8638000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1141000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1333657000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">26420000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-26420000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1327697000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">24883000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">8638000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-27561000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1333657000</us-gaap:OperatingIncomeLoss>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">912000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">912000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">166814000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">360000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1141000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">166033000</us-gaap:InterestExpense>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1009000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1009000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1158962000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">24883000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">8278000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-26420000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1165703000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">273701000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">5089000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1652000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">280442000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">19794000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">6626000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-26420000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <srt:ScheduleOfCondensedIncomeStatementTableTextBlock contextRef="DYPriorNineMonthsToDate">

                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty Insurance (a)



                  &#160;



                  Life



                  &#160;



                  Eliminations



                  &#160;



                  &#160;



                  U-Haul Holding Company



                  &#160;



                  &#160;



                  (Unaudited)



                  &#160;



                  &#160;



                  (In thousands)



                  Revenues:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Self-moving equipment rentals



                  $




                    3,193,594




                  $




                    &#x2013;




                  $




                    &#x2013;




                  $



                  (3,604)



                  (c)



                  $




                    3,189,990




                  Self-storage revenues



                  &#160;




                    450,302




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    450,302




                  Self-moving and self-storage products and service sales



                  &#160;




                    272,478




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    272,478




                  Property management fees



                  &#160;




                    26,847




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    26,847




                  Life insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    84,628




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    84,628




                  Property and casualty insurance premiums



                  &#160;




                    &#x2013;




                  &#160;




                    67,277




                  &#160;




                    &#x2013;




                  &#160;



                  (2,291)



                  (c)



                  &#160;




                    64,986




                  Net investment and interest income



                  &#160;




                    2,021




                  &#160;




                    15,538




                  &#160;




                    88,448




                  &#160;



                  (3,044)



                  (b)



                  &#160;




                    102,963




                  Other revenue



                  &#160;




                    346,591




                  &#160;




                    &#x2013;




                  &#160;




                    2,985




                  &#160;



                  (324)



                  (b)



                  &#160;




                    349,252




                  Total revenues



                  &#160;




                    4,291,833




                  &#160;




                    82,815




                  &#160;




                    176,061




                  &#160;



                  (9,263)



                  &#160;



                  &#160;




                    4,541,446




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Costs and expenses:



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Operating expenses



                  &#160;




                    1,927,060




                  &#160;




                    31,779




                  &#160;




                    16,063




                  &#160;



                  (6,204)



                  (b,c)



                  &#160;




                    1,968,698




                  Commission expenses



                  &#160;




                    346,200




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    346,200




                  Cost of sales



                  &#160;




                    193,448




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    193,448




                  Benefits and losses



                  &#160;




                    &#x2013;




                  &#160;




                    16,679




                  &#160;




                    122,515




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    139,194




                  Amortization of deferred policy acquisition costs



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    23,520




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    23,520




                  Lease expense



                  &#160;




                    24,018




                  &#160;




                    279




                  &#160;




                    81




                  &#160;



                  (1,896)



                  (b)



                  &#160;




                    22,482




                  Depreciation, net of gains on disposal



                  &#160;




                    361,201




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    361,201




                  Net gains on disposal of real estate



                  &#160;



                  (2,930)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (2,930)



                  Total costs and expenses



                  &#160;




                    2,848,997




                  &#160;




                    48,737




                  &#160;




                    162,179




                  &#160;



                  (8,100)



                  &#160;



                  &#160;




                    3,051,813




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations before equity in earnings of subsidiaries



                  &#160;




                    1,442,836




                  &#160;




                    34,078




                  &#160;




                    13,882




                  &#160;



                  (1,163)



                  &#160;



                  &#160;




                    1,489,633




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Equity in earnings of subsidiaries



                  &#160;




                    37,811




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  (37,811)



                  (d)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Earnings from operations



                  &#160;




                    1,480,647




                  &#160;




                    34,078




                  &#160;




                    13,882




                  &#160;



                  (38,974)



                  &#160;



                  &#160;




                    1,489,633




                  Other components of net periodic benefit costs



                  &#160;



                  (840)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (840)



                  Interest expense



                  &#160;



                  (123,568)



                  &#160;




                    &#x2013;




                  &#160;



                  (360)



                  &#160;




                    1,163




                  (b)



                  &#160;



                  (122,765)



                  Fees on early extinguishment of debt



                  &#160;



                  (956)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (956)



                  Pretax earnings



                  &#160;




                    1,355,283




                  &#160;




                    34,078




                  &#160;




                    13,522




                  &#160;



                  (37,811)



                  &#160;



                  &#160;




                    1,365,072




                  Income tax expense



                  &#160;



                  (318,744)



                  &#160;



                  (7,133)



                  &#160;



                  (2,656)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (328,533)



                  Earnings available to common stockholders



                  $




                    1,036,539




                  $




                    26,945




                  $




                    10,866




                  $



                  (37,811)



                  &#160;



                  $




                    1,036,539




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (a) Balances for the nine months ended September 30, 2021



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (b) Eliminate intercompany lease / interest income



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  (c) Eliminate intercompany premiums



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;

              (d) Eliminate equity in earnings of subsidiaries&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedIncomeStatementTableTextBlock>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">3193594000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3604000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <us-gaap:OperatingLeasesIncomeStatementLeaseRevenue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3189990000</us-gaap:OperatingLeasesIncomeStatementLeaseRevenue>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">450302000</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SelfStorageRevenues>
    <uhal:SelfStorageRevenues
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">450302000</uhal:SelfStorageRevenues>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">272478000</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:SaleRevenuesGoodsGross>
    <uhal:SaleRevenuesGoodsGross
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">272478000</uhal:SaleRevenuesGoodsGross>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">26847000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">26847000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">84628000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetLife
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">84628000</us-gaap:PremiumsEarnedNetLife>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">67277000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-2291000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:PremiumsEarnedNetPropertyAndCasualty
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">64986000</us-gaap:PremiumsEarnedNetPropertyAndCasualty>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2021000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">15538000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">88448000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3044000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:InvestmentIncomeInterestAndDividend
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">102963000</us-gaap:InvestmentIncomeInterestAndDividend>
    <us-gaap:OtherIncome
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">346591000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2985000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-324000</us-gaap:OtherIncome>
    <us-gaap:OtherIncome
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">349252000</us-gaap:OtherIncome>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4291833000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">82815000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">176061000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-9263000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4541446000</us-gaap:Revenues>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1927060000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">31779000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">16063000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-6204000</us-gaap:OperatingExpenses>
    <us-gaap:OperatingExpenses
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1968698000</us-gaap:OperatingExpenses>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">346200000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:SalesCommissionsAndFees>
    <us-gaap:SalesCommissionsAndFees
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">346200000</us-gaap:SalesCommissionsAndFees>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">193448000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">193448000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">16679000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">122515000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">139194000</us-gaap:PolicyholderBenefitsAndClaimsIncurredNet>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">23520000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">23520000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">24018000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">279000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">81000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1896000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">22482000</us-gaap:LeaseAndRentalExpense>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">361201000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">361201000</uhal:DepreciationNetOfGainsLossesOnDisposals>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-2930000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2930000</uhal:GainLossDisposalOfAssets>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2848997000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">48737000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">162179000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-8100000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3051813000</us-gaap:CostsAndExpenses>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1442836000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">34078000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">13882000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1163000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:IncomeLossAttributableToParent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1489633000</us-gaap:IncomeLossAttributableToParent>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">37811000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-37811000</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:TemporaryEquityInterestInSubsidiaryEarnings
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:TemporaryEquityInterestInSubsidiaryEarnings>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1480647000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">34078000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">13882000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-38974000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1489633000</us-gaap:OperatingIncomeLoss>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">840000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">840000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">123568000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">360000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-1163000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122765000</us-gaap:InterestExpense>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">956000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">956000</uhal:FeesAndAmortizationOnEarlyExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1355283000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">34078000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">13522000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-37811000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1365072000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">318744000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">7133000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2656000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">328533000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">26945000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">10866000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-37811000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <srt:ScheduleOfCondensedCashFlowStatementTableTextBlock contextRef="DYCurrentNineMonthsToDate">





                  &#160;




                  &#160;




                  Moving &amp; Storage


                  Consolidated




                  &#160;




                  Property &amp; Casualty


                  Insurance (a)




                  &#160;




                  Life


                  Insurance (a)




                  &#160;




                  Elimination




                  &#160;




                  &#160;




                  U-Haul Holding Company


                  Consolidated






                  &#160;




                  &#160;




                  (Unaudited)






                  Cash flows from operating activities:




                  &#160;




                  (In thousands)






                  Net earnings




                  $
                  &#160;





                    885,261





                  $
                  &#160;





                    19,794





                  $
                  &#160;





                    6,626





                  $
                  &#160;




                  (26,420)




                  &#160;




                  $
                  &#160;





                    885,261







                  Earnings from consolidated entities




                  &#160;




                  (26,420)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    26,420





                  &#160;




                  &#160;





                    &#x2013;







                  Adjustments to reconcile net earnings to the cash provided by operations:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Depreciation




                  &#160;





                    544,176





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    544,176







                  Amortization of deferred policy acquisition costs




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    21,623





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    21,623







                  Amortization of premiums and accretion of discounts related to investments, net




                  &#160;





                    &#x2013;





                  &#160;





                    1,285





                  &#160;





                    13,947





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    15,232







                  Amortization of debt issuance costs




                  &#160;





                    5,694





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    5,694







                  Interest credited to policyholders




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    39,048





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    39,048







                  Provision for recoveries for losses on trade receivables, net




                  &#160;




                  (4,470)




                  &#160;




                  (147)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (4,617)






                  Provision for allowance for inventories and parts reserve




                  &#160;





                    6,991





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    6,991







                  Net gains on disposal of personal property




                  &#160;




                  (199,196)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (199,196)






                  Net losses on disposal of real estate




                  &#160;





                    5,038





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    5,038







                  Net (gains) losses on sales of investments




                  &#160;





                    &#x2013;





                  &#160;




                  (75)




                  &#160;





                    8,770





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    8,695







                  Net losses on equity investments




                  &#160;





                    &#x2013;





                  &#160;





                    10,906





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    10,906







                  Deferred income taxes, net




                  &#160;





                    125,717





                  &#160;




                  (1,594)




                  &#160;




                  (2,416)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    121,707







                  Net change in other operating assets and liabilities:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Reinsurance recoverables and trade receivables




                  &#160;





                    23,092





                  &#160;




                  (752)




                  &#160;





                    3,513





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    25,853







                  Inventories and parts




                  &#160;





                    1,682





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,682







                  Prepaid expenses




                  &#160;





                    7,867





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    7,867







                  Capitalization of deferred policy acquisition costs




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  (20,406)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (20,406)






                  Other assets




                  &#160;





                    3,291





                  &#160;





                    122





                  &#160;




                  (730)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    2,683







                  Related party assets




                  &#160;




                  (29,478)




                  &#160;





                    2,703





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (26,775)






                  Accounts payable and accrued expenses




                  &#160;





                    61,253





                  &#160;





                    2,096





                  &#160;




                  (919)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    62,430







                  Policy benefits and losses, claims and loss expenses payable




                  &#160;





                    13,299





                  &#160;




                  (4,120)




                  &#160;




                  (5,689)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    3,490







                  Other policyholders' funds and liabilities




                  &#160;





                    &#x2013;





                  &#160;





                    633





                  &#160;





                    1,134





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,767







                  Deferred income




                  &#160;




                  (4,013)




                  &#160;





                    &#x2013;





                  &#160;





                    1,845





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (2,168)






                  Related party liabilities




                  &#160;




                  (799)




                  &#160;




                  (617)




                  &#160;





                    115





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (1,301)






                  Net cash provided by operating activities




                  &#160;





                    1,418,985





                  &#160;





                    30,234





                  &#160;





                    66,461





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,515,680







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Cash flows from investing activities:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Escrow deposits




                  &#160;





                    159





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    159







                  Purchases of:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Property, plant and equipment




                  &#160;




                  (2,079,490)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    3,066





                  &#160;




                  &#160;




                  (2,076,424)






                  Short term investments




                  &#160;





                    &#x2013;





                  &#160;




                  (49,429)




                  &#160;




                  (372)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (49,801)






                  Fixed maturities investments




                  &#160;




                  (224,999)




                  &#160;




                  (42,039)




                  &#160;




                  (224,393)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (491,431)






                  Equity securities




                  &#160;





                    &#x2013;





                  &#160;




                  (3,177)




                  &#160;




                  (1,651)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (4,828)






                  Preferred stock




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    &#x2013;







                  Real estate




                  &#160;




                  (2,677)




                  &#160;




                  (4,920)




                  &#160;




                  (257)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (7,854)






                  Mortgage loans




                  &#160;





                    &#x2013;





                  &#160;




                  (23,337)




                  &#160;




                  (124,680)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (148,017)






                  Proceeds from sales and paydowns of:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Property, plant and equipment




                  &#160;





                    533,595





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    533,595







                  Short term investments




                  &#160;





                    &#x2013;





                  &#160;





                    67,062





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    67,062







                  Fixed maturities investments




                  &#160;





                    &#x2013;





                  &#160;





                    17,938





                  &#160;





                    130,352





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    148,290







                  Equity securities




                  &#160;





                    &#x2013;





                  &#160;





                    1,181





                  &#160;





                    6





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,187







                  Real estate




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    3,066





                  &#160;




                  (3,066)




                  &#160;




                  &#160;





                    &#x2013;







                  Mortgage loans




                  &#160;





                    &#x2013;





                  &#160;





                    16,192





                  &#160;





                    140,100





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    156,292







                  Net cash used by investing activities




                  $
                  &#160;




                  (1,773,412)




                  $
                  &#160;




                  (20,529)




                  $
                  &#160;




                  (77,829)




                  $
                  &#160;





                    &#x2013;





                  &#160;




                  $
                  &#160;




                  (1,871,770)






                  &#160;




                  &#160;




                  (page 1 of 2)






                  (a) Balance for the period ended September 30, 2022




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;








          Consolidating cash flow statements by industry segment for the nine months ended December 31, 2022 are as follows:



                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp; Casualty



                  &#160;



                  Life



                  &#160;



                  Elimination



                  &#160;



                  &#160;



                  U-Haul Holding Company



                  &#160;



                  &#160;



                  (Unaudited)



                  Cash flows from financing activities:



                  &#160;



                  (In thousands)



                  Borrowings from credit facilities



                  $
                  &#160;




                    975,966




                  $
                  &#160;




                    &#x2013;




                  $
                  &#160;




                    &#x2013;




                  $
                  &#160;




                    &#x2013;




                  &#160;



                  $
                  &#160;




                    975,966




                  Principal repayments on credit facilities



                  &#160;



                  (695,321)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (695,321)



                  Payments of debt issuance costs



                  &#160;



                  (4,962)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (4,962)



                  Finance lease payments



                  &#160;



                  (95,290)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (95,290)



                  Securitization deposits



                  &#160;




                    137




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    137




                  Voting Common Stock dividends paid



                  &#160;



                  (19,608)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (19,608)



                  Non-Voting Common Stock dividends paid



                  &#160;



                  (7,059)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (7,059)



                  Investment contract deposits



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    258,157




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    258,157




                  Investment contract withdrawals



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  (236,742)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (236,742)



                  Net cash provided by financing activities



                  &#160;




                    153,863




                  &#160;




                    &#x2013;




                  &#160;




                    21,415




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    175,278




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Effects of exchange rate on cash



                  &#160;



                  (12,706)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (12,706)



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Increase (decrease) in cash and cash equivalents



                  &#160;



                  (213,270)



                  &#160;




                    9,705




                  &#160;




                    10,047




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (193,518)



                  Cash and cash equivalents at beginning of period



                  &#160;




                    2,643,213




                  &#160;




                    10,800




                  &#160;




                    50,124




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    2,704,137




                  Cash and cash equivalents at end of period



                  $
                  &#160;




                    2,429,943




                  $
                  &#160;




                    20,505




                  $
                  &#160;




                    60,171




                  $
                  &#160;




                    &#x2013;




                  &#160;



                  $
                  &#160;




                    2,510,619




                  &#160;



                  &#160;



                  (page 2 of 2)

              (a) Balance for the period ended September 30, 2022&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedCashFlowStatementTableTextBlock>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">19794000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">6626000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-26420000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">885261000</us-gaap:NetIncomeLoss>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">26420000</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-26420000</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</uhal:EarningsFromConsolidatedEntities>
    <us-gaap:Depreciation
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">544176000</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">544176000</us-gaap:Depreciation>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">21623000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">21623000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">1285000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">13947000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">15232000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">5694000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5694000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">39048000</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">39048000</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-4470000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-147000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-4617000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">6991000</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6991000</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">199196000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">199196000</us-gaap:GainLossOnDispositionOfAssets1>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">5038000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">5038000</uhal:GainLossDisposalOfAssets>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">75000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-8770000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-8695000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">10906000</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">10906000</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">125717000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-1594000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-2416000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">121707000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-23092000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">752000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-3513000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-25853000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-1682000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1682000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-7867000</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-7867000</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">20406000</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">20406000</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-3291000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-122000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">730000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2683000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">29478000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-2703000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">26775000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">61253000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2096000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-919000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">62430000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">13299000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-4120000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-5689000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3490000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">633000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1134000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1767000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-4013000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1845000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2168000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-799000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-617000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">115000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1301000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1418985000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">30234000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">66461000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1515680000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-159000</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-159000</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2079490000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3066000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2076424000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">49429000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">372000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">49801000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">224999000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">42039000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">224393000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">491431000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">3177000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1651000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4828000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2677000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">4920000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">257000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7854000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">23337000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">124680000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">148017000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">533595000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">533595000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">67062000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">67062000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">17938000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">130352000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">148290000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">1181000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">6000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1187000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfRealEstate
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfRealEstate>
    <us-gaap:ProceedsFromSaleOfRealEstate
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfRealEstate>
    <us-gaap:ProceedsFromSaleOfRealEstate
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3066000</us-gaap:ProceedsFromSaleOfRealEstate>
    <us-gaap:ProceedsFromSaleOfRealEstate
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-3066000</us-gaap:ProceedsFromSaleOfRealEstate>
    <us-gaap:ProceedsFromSaleOfRealEstate
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfRealEstate>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">16192000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">140100000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">156292000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-1773412000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-20529000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-77829000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1871770000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">975966000</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">975966000</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">695321000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">695321000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4962000</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4962000</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">95290000</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">95290000</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-137000</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-137000</us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">19608000</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">19608000</us-gaap:PaymentsOfDividendsCommonStock>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:DividendsNonVotingCommonStockCash>
    <uhal:DividendsNonVotingCommonStockCash
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7059000</uhal:DividendsNonVotingCommonStockCash>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">258157000</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">258157000</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">236742000</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">236742000</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">153863000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">21415000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">175278000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-12706000</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-12706000</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-213270000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">9705000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">10047000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYCurrentNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-193518000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2643213000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">10800000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">50124000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPriorEndYear_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2704137000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2429943000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">20505000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">60171000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfCurrentQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2510619000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <srt:ScheduleOfCondensedCashFlowStatementTableTextBlock contextRef="DYPriorNineMonthsToDate">





                  &#160;




                  &#160;




                  Moving &amp; Storage


                  Consolidated




                  &#160;




                  Property &amp; Casualty


                  Insurance (a)




                  &#160;




                  Life


                  Insurance (a)




                  &#160;




                  Elimination




                  &#160;




                  &#160;




                  U-Haul Holding Company


                  Consolidated






                  &#160;




                  &#160;




                  (Unaudited)






                  Cash flows from operating activities:




                  &#160;




                  (In thousands)






                  Net earnings




                  $
                  &#160;





                    1,036,539





                  $
                  &#160;





                    26,945





                  $
                  &#160;





                    10,866





                  $
                  &#160;




                  (37,811)




                  &#160;




                  $
                  &#160;





                    1,036,539







                  Earnings from consolidated entities




                  &#160;




                  (37,811)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    37,811





                  &#160;




                  &#160;





                    &#x2013;







                  Adjustments to reconcile net earnings to cash provided by operations:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Depreciation




                  &#160;





                    519,181





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    519,181







                  Amortization of deferred policy acquisition costs




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    23,520





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    23,520







                  Amortization of premiums and accretion of discounts related to investments, net




                  &#160;





                    &#x2013;





                  &#160;





                    1,326





                  &#160;





                    13,160





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    14,486







                  Amortization of debt issuance costs




                  &#160;





                    4,200





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    4,200







                  Interest credited to policyholders




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    47,181





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    47,181







                  Provision for allowance (recoveries) for losses on trade receivables, net




                  &#160;





                    1,413





                  &#160;




                  (174)




                  &#160;





                    4





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,243







                  Provision for allowance for inventories and parts reserve




                  &#160;





                    9,799





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    9,799







                  Net gains on disposal of personal property




                  &#160;




                  (157,980)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (157,980)






                  Net gains on disposal of real estate




                  &#160;




                  (2,930)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (2,930)






                  Net gains on sales of investments




                  &#160;





                    &#x2013;





                  &#160;




                  (223)




                  &#160;




                  (3,272)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (3,495)






                  Net gains on equity investments




                  &#160;





                    &#x2013;





                  &#160;




                  (3,695)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (3,695)






                  Deferred income taxes, net




                  &#160;





                    134,541





                  &#160;





                    763





                  &#160;




                  (4,544)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    130,760







                  Net change in other operating assets and liabilities:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Reinsurance recoverables and trade receivables




                  &#160;




                  (10,403)




                  &#160;





                    1,567





                  &#160;





                    1,465





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (7,371)






                  Inventories and parts




                  &#160;




                  (70,796)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (70,796)






                  Prepaid expenses




                  &#160;





                    257,591





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    257,591







                  Capitalization of deferred policy acquisition costs




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  (25,703)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (25,703)






                  Other assets




                  &#160;





                    1,213





                  &#160;





                    72





                  &#160;




                  (107)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,178







                  Related party assets




                  &#160;




                  (17,870)




                  &#160;




                  (813)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (18,683)






                  Accounts payable and accrued expenses




                  &#160;





                    30,634





                  &#160;





                    1,659





                  &#160;





                    965





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    33,258







                  Policy benefits and losses, claims and loss expenses payable




                  &#160;





                    1,172





                  &#160;




                  (1,987)




                  &#160;





                    7,226





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    6,411







                  Other policyholders' funds and liabilities




                  &#160;





                    &#x2013;





                  &#160;





                    61





                  &#160;




                  (2,871)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (2,810)






                  Deferred income




                  &#160;





                    687





                  &#160;





                    &#x2013;





                  &#160;




                  (1,213)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (526)






                  Related party liabilities




                  &#160;




                  (267)




                  &#160;




                  (2,414)




                  &#160;





                    474





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (2,207)






                  Net cash provided by operating activities




                  &#160;





                    1,698,913





                  &#160;





                    23,087





                  &#160;





                    67,151





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    1,789,151







                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Cash flows from investing activities:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Escrow deposits




                  &#160;





                    5,695





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    5,695







                  Purchases of:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Property, plant and equipment




                  &#160;




                  (1,652,984)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (1,652,984)






                  Short term investments




                  &#160;





                    &#x2013;





                  &#160;




                  (31,074)




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (31,074)






                  Fixed maturities investments




                  &#160;





                    &#x2013;





                  &#160;




                  (7,749)




                  &#160;




                  (440,534)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (448,283)






                  Equity securities




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  (1,380)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (1,380)






                  Preferred stock




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  (8,000)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (8,000)






                  Real estate




                  &#160;




                  (33)




                  &#160;





                    &#x2013;





                  &#160;




                  (157)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (190)






                  Mortgage loans




                  &#160;





                    &#x2013;





                  &#160;




                  (19,132)




                  &#160;




                  (112,501)




                  &#160;





                    &#x2013;





                  &#160;




                  &#160;




                  (131,633)






                  Proceeds from sales and paydowns of:




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;






                  Property, plant and equipment




                  &#160;





                    483,783





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    483,783







                  Short term investments




                  &#160;





                    &#x2013;





                  &#160;





                    20,608





                  &#160;





                    61





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    20,669







                  Fixed maturities investments




                  &#160;





                    &#x2013;





                  &#160;





                    13,816





                  &#160;





                    270,531





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    284,347







                  Equity securities




                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;





                    2,026





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    2,026







                  Preferred stock




                  &#160;





                    &#x2013;





                  &#160;





                    2,000





                  &#160;





                    &#x2013;





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    2,000







                  Mortgage loans




                  &#160;





                    &#x2013;





                  &#160;





                    851





                  &#160;





                    27,213





                  &#160;





                    &#x2013;





                  &#160;




                  &#160;





                    28,064







                  Net cash used by investing activities




                  $
                  &#160;




                  (1,163,539)




                  $
                  &#160;




                  (20,680)




                  $
                  &#160;




                  (262,741)




                  $
                  &#160;





                    &#x2013;





                  &#160;




                  $
                  &#160;




                  (1,446,960)






                  &#160;




                  &#160;




                  (page 1 of 2)






                  (a) Balance for the period ended September 30, 2021




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;




                  &#160;








          Consolidating cash flow statements by industry segment for the nine months ended December 31, 2021 are as follows:


          &#160;



                  &#160;



                  &#160;



                  Moving &amp; Storage



                  &#160;



                  Property &amp;



                  &#160;



                  Life



                  &#160;



                  Elimination



                  &#160;



                  &#160;



                  U-Haul Holding Company



                  &#160;



                  &#160;



                  (Unaudited)



                  Cash flows from financing activities:



                  &#160;



                  (In thousands)



                  Borrowings from credit facilities



                  $
                  &#160;




                    1,202,412




                  $
                  &#160;




                    &#x2013;




                  $
                  &#160;




                    &#x2013;




                  $
                  &#160;




                    &#x2013;




                  &#160;



                  $
                  &#160;




                    1,202,412




                  Principal repayments on credit facilities



                  &#160;



                  (322,232)



                  &#160;




                    &#x2013;




                  &#160;



                  (11,187)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (333,419)



                  Payment of debt issuance costs



                  &#160;



                  (8,006)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (8,006)



                  Finance lease payments



                  &#160;



                  (129,150)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (129,150)



                  Voting Common Stock dividends paid



                  &#160;



                  (29,412)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (29,412)



                  Investment contract deposits



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    271,657




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    271,657




                  Investment contract withdrawals



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  (177,777)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (177,777)



                  Net cash provided by financing activities



                  &#160;




                    713,612




                  &#160;




                    &#x2013;




                  &#160;




                    82,693




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    796,305




                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Effects of exchange rate on cash



                  &#160;



                  (5,046)



                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;



                  (5,046)



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  &#160;



                  Increase (decrease) in cash and cash equivalents



                  &#160;




                    1,243,940




                  &#160;




                    2,407




                  &#160;



                  (112,897)



                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    1,133,450




                  Cash and cash equivalents at beginning of period



                  &#160;




                    1,010,275




                  &#160;




                    5,658




                  &#160;




                    178,079




                  &#160;




                    &#x2013;




                  &#160;



                  &#160;




                    1,194,012




                  Cash and cash equivalents at end of period



                  $
                  &#160;




                    2,254,215




                  $
                  &#160;




                    8,065




                  $
                  &#160;




                    65,182




                  $
                  &#160;




                    &#x2013;




                  &#160;



                  $
                  &#160;




                    2,327,462




                  &#160;



                  &#160;



                  (page 2 of 2)

              (a) Balance for the period ended September 30, 2021&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</srt:ScheduleOfCondensedCashFlowStatementTableTextBlock>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">26945000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">10866000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-37811000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1036539000</us-gaap:NetIncomeLoss>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">37811000</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">-37811000</uhal:EarningsFromConsolidatedEntities>
    <uhal:EarningsFromConsolidatedEntities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</uhal:EarningsFromConsolidatedEntities>
    <us-gaap:Depreciation
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">519181000</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">519181000</us-gaap:Depreciation>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">23520000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">23520000</us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">1326000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">13160000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">14486000</uhal:AmortizationAccretionOfDiscountsAndPremiumsInvestments>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">4200000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4200000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">47181000</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:InterestCreditedToPolicyOwnerAccount
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">47181000</us-gaap:InterestCreditedToPolicyOwnerAccount>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1413000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-174000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">4000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:ProvisionForDoubtfulAccounts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1243000</us-gaap:ProvisionForDoubtfulAccounts>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">9799000</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:InventoryLIFOReservePeriodCharge
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">9799000</us-gaap:InventoryLIFOReservePeriodCharge>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">157980000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">157980000</us-gaap:GainLossOnDispositionOfAssets1>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-2930000</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:GainLossDisposalOfAssets>
    <uhal:GainLossDisposalOfAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2930000</uhal:GainLossDisposalOfAssets>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">223000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">3272000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:GainLossOnSaleOfOtherInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3495000</us-gaap:GainLossOnSaleOfOtherInvestments>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-3695000</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:RealizedInvestmentGainsLosses
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-3695000</us-gaap:RealizedInvestmentGainsLosses>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">134541000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">763000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-4544000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <us-gaap:DeferredIncomeTaxesAndTaxCredits
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">130760000</us-gaap:DeferredIncomeTaxesAndTaxCredits>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">10403000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-1567000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-1465000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">7371000</uhal:IncreaseDecreaseInReinsuranceRecoverablesReceivables>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">70796000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInInventories
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">70796000</us-gaap:IncreaseDecreaseInInventories>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-257591000</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInPrepaidExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-257591000</us-gaap:IncreaseDecreaseInPrepaidExpense>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">25703000</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">25703000</us-gaap:IncreaseDecreaseInDeferredPolicyAcquisitionCosts>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-1213000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-72000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">107000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInOtherOperatingAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1178000</us-gaap:IncreaseDecreaseInOtherOperatingAssets>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">17870000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">813000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">18683000</us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">30634000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">1659000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">965000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">33258000</us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1172000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-1987000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">7226000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">6411000</us-gaap:IncreaseDecreaseInOtherInsuranceLiabilities>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">61000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-2871000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInOtherPolicyholderFunds
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2810000</us-gaap:IncreaseDecreaseInOtherPolicyholderFunds>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">687000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-1213000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDeferredRevenue
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-526000</us-gaap:IncreaseDecreaseInDeferredRevenue>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-267000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-2414000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">474000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2207000</us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1698913000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">23087000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">67151000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1789151000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-5695000</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:IncreaseDecreaseInDepositOtherAssets
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-5695000</us-gaap:IncreaseDecreaseInDepositOtherAssets>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1652984000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1652984000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">31074000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireShortTermInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">31074000</us-gaap:PaymentsToAcquireShortTermInvestments>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">7749000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">440534000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">448283000</us-gaap:PaymentsToAcquireHeldToMaturitySecurities>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">1380000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1380000</us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">8000000</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8000000</us-gaap:PaymentsToAcquireInvestments>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">33000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">157000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireRealEstateHeldForInvestment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">190000</us-gaap:PaymentsToAcquireRealEstateHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">19132000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">112501000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:PaymentsToAcquireLoansHeldForInvestment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">131633000</us-gaap:PaymentsToAcquireLoansHeldForInvestment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">483783000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">483783000</us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">20608000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">61000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfShortTermInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">20669000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">13816000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">270531000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">284347000</us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">2026000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2026000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2000000</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">2000000</us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">851000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">27213000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">28064000</us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-1163539000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">-20680000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-262741000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-1446960000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1202412000</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:ProceedsFromLinesOfCredit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1202412000</us-gaap:ProceedsFromLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">322232000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">11187000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">333419000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">8006000</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:PaymentsOfDebtIssuanceCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">8006000</us-gaap:PaymentsOfDebtIssuanceCosts>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">129150000</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">129150000</us-gaap:RepaymentsOfLongTermCapitalLeaseObligations>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">29412000</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:PaymentsOfDividendsCommonStock
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">29412000</us-gaap:PaymentsOfDividendsCommonStock>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">271657000</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">271657000</us-gaap:ProceedsFromAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">177777000</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">177777000</us-gaap:RepaymentsOfAnnuitiesAndInvestmentCertificates>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">713612000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">82693000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">796305000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">-5046000</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYPriorNineMonthsToDate_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYPriorNineMonthsToDate_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-5046000</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1243940000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYPriorNineMonthsToDate_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">2407000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYPriorNineMonthsToDate_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">-112897000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYPriorNineMonthsToDate_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1133450000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPrior2YearEndPrior_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">1010275000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPrior2YearEndPrior_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">5658000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPrior2YearEndPrior_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">178079000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPrior2YearEndPrior_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="FYPrior2YearEndPrior"
      decimals="-3"
      unitRef="USD">1194012000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfPriorQuarter_ConsolidationItemsAxis_OperatingSegmentsMember_StatementBusinessSegmentsAxis_MovingAndStorageConsolidationsMember"
      decimals="-3"
      unitRef="USD">2254215000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfPriorQuarter_StatementBusinessSegmentsAxis_PropertyAndCasualtyInsuranceMember"
      decimals="-3"
      unitRef="USD">8065000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfPriorQuarter_StatementBusinessSegmentsAxis_LifeInsuranceMember"
      decimals="-3"
      unitRef="USD">65182000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="EndOfPriorQuarter_ConsolidationItemsAxis_ConsolidationEliminationsMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="EndOfPriorQuarter" decimals="-3" unitRef="USD">2327462000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock contextRef="DYCurrentNineMonthsToDate">

          12. Industry Segment and Geographic Area Data







                    &#160;






                    &#160;






                    United States






                    &#160;






                    Canada






                    &#160;






                    Consolidated








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (All amounts are in thousands of U.S. $'s)








                    Quarter Ended December 31, 2022






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Total revenues






                    $







                      1,311,117







                    $







                      64,219







                    $







                      1,375,336









                    Depreciation and amortization, net of (gains) on disposal






                    &#160;







                      119,864







                    &#160;







                      1,840







                    &#160;







                      121,704









                    Interest expense






                    &#160;







                      58,367







                    &#160;







                      674







                    &#160;







                      59,041









                    Pretax earnings






                    &#160;







                      253,778







                    &#160;







                      7,230







                    &#160;







                      261,008









                    Income tax expense






                    &#160;







                      59,774







                    &#160;







                      1,990







                    &#160;







                      61,764









                    Identifiable assets






                    &#160;







                      17,473,785







                    &#160;







                      642,543







                    &#160;







                      18,116,328









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Quarter Ended December 31, 2021






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Total revenues






                    $







                      1,334,131







                    $







                      70,205







                    $







                      1,404,336









                    Depreciation and amortization, net of (gains) on disposal






                    &#160;







                      110,383







                    &#160;







                      2,277







                    &#160;







                      112,660









                    Interest expense






                    &#160;







                      43,140







                    &#160;







                      902







                    &#160;







                      44,042









                    Pretax earnings






                    &#160;







                      360,449







                    &#160;







                      10,997







                    &#160;







                      371,446









                    Income tax expense






                    &#160;







                      87,135







                    &#160;







                      2,845







                    &#160;







                      89,980









                    Identifiable assets






                    &#160;







                      16,077,571







                    &#160;







                      510,507







                    &#160;







                      16,588,078








          &#160;



                    &#160;



                    &#160;



                    United States



                    &#160;



                    Canada



                    &#160;



                    Consolidated



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (All amounts are in thousands of U.S. $'s)



                    Nine Months Ended December 31, 2022



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Total revenues



                    $




                      4,431,570




                    $




                      244,470




                    $




                      4,676,040




                    Depreciation and amortization, net of (gains) on disposal



                    &#160;




                      365,585




                    &#160;




                      6,056




                    &#160;




                      371,641




                    Interest expense



                    &#160;




                      163,792




                    &#160;




                      2,241




                    &#160;




                      166,033




                    Pretax earnings



                    &#160;




                      1,127,685




                    &#160;




                      38,018




                    &#160;




                      1,165,703




                    Income tax expense



                    &#160;




                      270,641




                    &#160;




                      9,801




                    &#160;




                      280,442




                    Identifiable assets



                    &#160;




                      17,473,785




                    &#160;




                      642,543




                    &#160;




                      18,116,328




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Nine Months Ended December 31, 2021



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Total revenues



                    $




                      4,307,322




                    $




                      234,124




                    $




                      4,541,446




                    Depreciation and amortization, net of (gains) on disposal



                    &#160;




                      379,989




                    &#160;




                      1,802




                    &#160;




                      381,791




                    Interest expense



                    &#160;




                      119,856




                    &#160;




                      2,909




                    &#160;




                      122,765




                    Pretax earnings



                    &#160;




                      1,320,056




                    &#160;




                      45,016




                    &#160;




                      1,365,072




                    Income tax expense



                    &#160;




                      317,057




                    &#160;




                      11,476




                    &#160;




                      328,533



                    Identifiable assets

                    &#160;


                      16,077,571


                    &#160;


                      510,507


                    &#160;

                      16,588,078
                    </us-gaap:ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock>
    <us-gaap:ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock contextRef="DYCurrentQuarterToDate">

                    &#160;



                    &#160;



                    United States



                    &#160;



                    Canada



                    &#160;



                    Consolidated



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (All amounts are in thousands of U.S. $'s)



                    Quarter Ended December 31, 2022



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Total revenues



                    $




                      1,311,117




                    $




                      64,219




                    $




                      1,375,336




                    Depreciation and amortization, net of (gains) on disposal



                    &#160;




                      119,864




                    &#160;




                      1,840




                    &#160;




                      121,704




                    Interest expense



                    &#160;




                      58,367




                    &#160;




                      674




                    &#160;




                      59,041




                    Pretax earnings



                    &#160;




                      253,778




                    &#160;




                      7,230




                    &#160;




                      261,008




                    Income tax expense



                    &#160;




                      59,774




                    &#160;




                      1,990




                    &#160;




                      61,764




                    Identifiable assets



                    &#160;




                      17,473,785




                    &#160;




                      642,543




                    &#160;




                      18,116,328




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Quarter Ended December 31, 2021



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Total revenues



                    $




                      1,334,131




                    $




                      70,205




                    $




                      1,404,336




                    Depreciation and amortization, net of (gains) on disposal



                    &#160;




                      110,383




                    &#160;




                      2,277




                    &#160;




                      112,660




                    Interest expense



                    &#160;




                      43,140




                    &#160;




                      902




                    &#160;




                      44,042




                    Pretax earnings



                    &#160;




                      360,449




                    &#160;




                      10,997




                    &#160;




                      371,446




                    Income tax expense



                    &#160;




                      87,135




                    &#160;




                      2,845




                    &#160;




                      89,980


                Identifiable assets&#160;
                      16,077,571
                    &#160;
                      510,507
                    &#160;
                      16,588,078
                    </us-gaap:ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">1311117000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">64219000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1375336000</us-gaap:Revenues>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">119864000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">1840000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">121704000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">58367000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">674000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">59041000</us-gaap:InterestExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">253778000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">7230000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">261008000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">59774000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">1990000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">61764000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">17473785000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">642543000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">18116328000</us-gaap:Assets>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">1334131000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">70205000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1404336000</us-gaap:Revenues>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">110383000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">2277000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">112660000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">43140000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">902000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">44042000</us-gaap:InterestExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">360449000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">10997000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">371446000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">87135000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">2845000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">89980000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:Assets
      contextRef="EndOfPriorQuarter_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">16077571000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfPriorQuarter_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">510507000</us-gaap:Assets>
    <us-gaap:Assets contextRef="EndOfPriorQuarter" decimals="-3" unitRef="USD">16588078000</us-gaap:Assets>
    <us-gaap:ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    United States





                    &#160;





                    Canada





                    &#160;





                    Consolidated





                    &#160;





                    &#160;





                    (Unaudited)





                    &#160;





                    &#160;





                    (All amounts are in thousands of U.S. $'s)





                    Nine Months Ended December 31, 2022





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    Total revenues





                    $






                      4,431,570






                    $






                      244,470






                    $






                      4,676,040






                    Depreciation and amortization, net of (gains) on disposal





                    &#160;






                      365,585






                    &#160;






                      6,056






                    &#160;






                      371,641






                    Interest expense





                    &#160;






                      163,792






                    &#160;






                      2,241






                    &#160;






                      166,033






                    Pretax earnings





                    &#160;






                      1,127,685






                    &#160;






                      38,018






                    &#160;






                      1,165,703






                    Income tax expense





                    &#160;






                      270,641






                    &#160;






                      9,801






                    &#160;






                      280,442






                    Identifiable assets





                    &#160;






                      17,473,785






                    &#160;






                      642,543






                    &#160;






                      18,116,328






                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    Nine Months Ended December 31, 2021





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    Total revenues





                    $






                      4,307,322






                    $






                      234,124






                    $






                      4,541,446






                    Depreciation and amortization, net of (gains) on disposal





                    &#160;






                      379,989






                    &#160;






                      1,802






                    &#160;






                      381,791






                    Interest expense





                    &#160;






                      119,856






                    &#160;






                      2,909






                    &#160;






                      122,765






                    Pretax earnings





                    &#160;






                      1,320,056






                    &#160;






                      45,016






                    &#160;






                      1,365,072






                    Income tax expense





                    &#160;






                      317,057






                    &#160;






                      11,476






                    &#160;






                      328,533



              Identifiable assets&#160;
                      16,077,571
                    &#160;
                      510,507
                    &#160;

                      16,588,078

                  </us-gaap:ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">4431570000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">244470000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4676040000</us-gaap:Revenues>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">365585000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">6056000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">371641000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">163792000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">2241000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">166033000</us-gaap:InterestExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">1127685000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">38018000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1165703000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">270641000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">9801000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">280442000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">17473785000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">642543000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">18116328000</us-gaap:Assets>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">4307322000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">234124000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4541446000</us-gaap:Revenues>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">379989000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">1802000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">381791000</uhal:DepreciationAndAmortizationNetOfGainsLossesOnDisposals>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">119856000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">2909000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">122765000</us-gaap:InterestExpense>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">1320056000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">45016000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1365072000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">317057000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">11476000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">328533000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:Assets
      contextRef="EndOfPriorQuarter_StatementGeographicalAxis_US"
      decimals="-3"
      unitRef="USD">16077571000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="EndOfPriorQuarter_StatementGeographicalAxis_CA"
      decimals="-3"
      unitRef="USD">510507000</us-gaap:Assets>
    <us-gaap:Assets contextRef="EndOfPriorQuarter" decimals="-3" unitRef="USD">16588078000</us-gaap:Assets>
    <us-gaap:CompensationAndEmployeeBenefitPlansTextBlock contextRef="DYCurrentNineMonthsToDate">

          13. Employee Benefit Plans



            The components of the net periodic benefit costs with respect to postretirement benefits were as follows:








                    &#160;






                    &#160;






                    Quarter Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Service cost for benefits earned during the period






                    $







                      332







                    $
                    &#160;







                      350









                    Other components of net periodic benefit costs:






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Interest cost on accumulated postretirement benefit






                    &#160;







                      287







                    &#160;







                      227









                    Other components






                    &#160;







                      17







                    &#160;







                      53









                    Total other components of net periodic benefit costs






                    &#160;







                      304







                    &#160;







                      280









                    Net periodic postretirement benefit cost






                    $







                      636







                    $


                    &#160;







                      630








          &#160;



                    &#160;



                    &#160;



                    Nine Months Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Service cost for benefits earned during the period



                    $




                      995




                    $
                    &#160;




                      1,051




                    Other components of net periodic benefit costs:



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Interest cost on accumulated postretirement benefit



                    &#160;




                      861




                    &#160;




                      681




                    Other components



                    &#160;




                      51




                    &#160;




                      159




                    Total other components of net periodic benefit costs



                    &#160;




                      912




                    &#160;




                      840



                    Net periodic postretirement benefit cost

                    $


                      1,907


                    $

                    &#160;

                      1,891
                    </us-gaap:CompensationAndEmployeeBenefitPlansTextBlock>
    <us-gaap:ScheduleOfNetBenefitCostsTableTextBlock contextRef="DYCurrentQuarterToDate">

            The components of the net periodic benefit costs with respect to postretirement benefits were as follows:



                    &#160;



                    &#160;



                    Quarter Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Service cost for benefits earned during the period



                    $




                      332




                    $
                    &#160;




                      350




                    Other components of net periodic benefit costs:



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Interest cost on accumulated postretirement benefit



                    &#160;




                      287




                    &#160;




                      227




                    Other components



                    &#160;




                      17




                    &#160;




                      53




                    Total other components of net periodic benefit costs



                    &#160;




                      304




                    &#160;




                      280


                Net periodic postretirement benefit cost$
                      636
                    $&#160;
                      630
                    </us-gaap:ScheduleOfNetBenefitCostsTableTextBlock>
    <us-gaap:DefinedBenefitPlanServiceCost
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">332000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">350000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanInterestCost
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">287000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">227000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanOtherCosts
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">17000</us-gaap:DefinedBenefitPlanOtherCosts>
    <us-gaap:DefinedBenefitPlanOtherCosts
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">53000</us-gaap:DefinedBenefitPlanOtherCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">304000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">280000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">636000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">630000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:ScheduleOfNetBenefitCostsTableTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    Nine Months Ended December 31,





                    &#160;





                    &#160;





                    2022





                    &#160;





                    2021





                    &#160;





                    &#160;





                    (Unaudited)





                    &#160;





                    &#160;





                    (In thousands)





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    Service cost for benefits earned during the period





                    $






                      995






                    $
                    &#160;






                      1,051






                    Other components of net periodic benefit costs:





                    &#160;





                    &#160;





                    &#160;





                    &#160;





                    Interest cost on accumulated postretirement benefit





                    &#160;






                      861






                    &#160;






                      681






                    Other components





                    &#160;






                      51






                    &#160;






                      159






                    Total other components of net periodic benefit costs





                    &#160;






                      912






                    &#160;






                      840



              Net periodic postretirement benefit cost$
                      1,907
                    $&#160;

                      1,891

                  </us-gaap:ScheduleOfNetBenefitCostsTableTextBlock>
    <us-gaap:DefinedBenefitPlanServiceCost
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">995000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1051000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanInterestCost
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">861000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">681000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanOtherCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">51000</us-gaap:DefinedBenefitPlanOtherCosts>
    <us-gaap:DefinedBenefitPlanOtherCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">159000</us-gaap:DefinedBenefitPlanOtherCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">912000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">840000</uhal:OtherComponentsOfNetPeriodicBenefitRecoveryCosts>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1907000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">1891000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:FairValueDisclosuresTextBlock contextRef="DYCurrentNineMonthsToDate">

          14. Fair Value Measurements


          Certain assets and liabilities are recorded at fair value on the condensed consolidated balance sheets and are measured and classified based upon a three-tiered approach to valuation. Financial assets and liabilities are recorded at fair value and are classified and disclosed in one of the following three categories:


          Level 1 &#x2013; Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;
          &#160;


          Level 2 &#x2013; Quoted prices for identical or similar financial instruments in markets that are not considered to be active, or similar financial instruments for which all significant inputs are observable, either directly or indirectly, or inputs other than quoted prices that are observable, or inputs that are derived principally from or corroborated by observable market data through correlation or other means; and


          Level 3 &#x2013; Prices or valuations that require inputs that are both significant to the fair value measurement and are unobservable. These reflect management&#x2019;s assumptions about the assumptions a market participant would use in pricing the asset or liability.


          A financial instrument&#x2019;s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.

        Fair values of cash equivalents approximate carrying value due to the short period of time to maturity. Fair values of short-term investments, investments available-for-sale, long-term investments, mortgage loans and notes on real estate, and interest rate swap contracts are based on quoted market prices, dealer quotes or discounted cash flows. Fair values of trade receivables approximate their recorded value.


          Our financial instruments that are exposed to concentrations of credit risk consist primarily of temporary cash investments, trade receivables, reinsurance recoverables and notes receivable. Limited credit risk exists on trade receivables due to the diversity of our customer base and their dispersion across broad geographic markets. We place our temporary cash investments with financial institutions and limit the amount of credit exposure to any one financial institution.


          We have mortgage receivables, which potentially expose us to credit risk. The portfolio of notes is principally collateralized by self-storage facilities and commercial properties. We have not experienced any material losses related to the notes from individual or groups of notes in any particular industry or geographic area. The estimated fair values were determined using the discounted cash flow method and using interest rates currently offered for similar loans to borrowers with similar credit ratings.


          Other investments, including short-term investments, are substantially current or bear reasonable interest rates. As a result, the carrying values of these financial instruments approximate fair value.


          The carrying values and estimated fair values for the financial instruments stated above and their placement in the fair value hierarchy are as follows:







                    &#160;






                    &#160;






                    Fair Value Hierarchy








                    &#160;






                    &#160;






                    Carrying






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    Total Estimated








                    As of December 31, 2022






                    &#160;






                    Value






                    &#160;






                    Level 1






                    &#160;






                    Level 2






                    &#160;






                    Level 3






                    &#160;






                    Fair Value








                    &#160;






                    &#160;






                    (Unaudited)








                    Assets






                    &#160;






                    (In thousands)








                    Reinsurance recoverables and trade receivables, net






                    $







                      208,182







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      208,182







                    $







                      208,182









                    Mortgage loans, net






                    &#160;







                      414,886







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;







                    &#160;







                      414,886







                    &#160;







                      393,980









                    Other investments






                    &#160;







                      103,569







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;







                    &#160;







                      103,569







                    &#160;







                      103,569









                    Total






                    $







                      726,637







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      726,637







                    $







                      705,731









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Liabilities






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Notes, loans and finance leases payable






                    $







                      6,236,822







                    $







                      &#x2013;







                    $







                      6,236,822







                    $







                      &#x2013;







                    $







                      5,813,962









                    Total






                    $







                      6,236,822







                    $







                      &#x2013;







                    $







                      6,236,822







                    $







                      &#x2013;







                    $







                      5,813,962








          &#160;


          &#160;


          &#160;







                    &#160;






                    &#160;






                    Fair Value Hierarchy








                    &#160;






                    &#160;






                    Carrying






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    Total Estimated








                    As of March 31, 2022






                    &#160;






                    Value






                    &#160;






                    Level 1






                    &#160;






                    Level 2






                    &#160;






                    Level 3






                    &#160;






                    Fair Value








                    &#160;






                    &#160;






                    (In thousands)








                    Assets






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Reinsurance recoverables and trade receivables, net






                    $







                      229,343







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      229,343







                    $







                      229,343









                    Mortgage loans, net






                    &#160;







                      423,163







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;







                    &#160;







                      423,163







                    &#160;







                      450,347









                    Other investments






                    &#160;







                      120,592







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;







                    &#160;







                      120,592







                    &#160;







                      120,592









                    Total






                    $







                      773,098







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      773,098







                    $







                      800,282









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Liabilities






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Notes, loans and finance leases payable






                    $







                      6,059,713







                    $







                      &#x2013;







                    $







                      6,059,713







                    $







                      &#x2013;







                    $







                      5,875,781









                    Total






                    $







                      6,059,713







                    $







                      &#x2013;







                    $







                      6,059,713







                    $







                      &#x2013;







                    $







                      5,875,781










          The following tables represent the financial assets and liabilities on the condensed consolidated balance sheets as of December 31, 2022 and March 31, 2022, that are measured at fair value on a recurring basis and the level within the fair value hierarchy.


          &#160;







                    As of December 31, 2022






                    &#160;






                    Total






                    &#160;






                    Level 1






                    &#160;






                    Level 2






                    &#160;






                    Level 3








                    &#160;






                    &#160;






                    (Unaudited)








                    Assets






                    &#160;






                    (In thousands)








                    Short-term investments






                    $







                      2,193,606







                    $







                      2,193,606







                    $







                      &#x2013;







                    $







                      &#x2013;









                    Fixed maturities - available for sale






                    &#160;







                      2,663,528







                    &#160;







                      249,161







                    &#160;







                      2,414,275







                    &#160;







                      92









                    Preferred stock






                    &#160;







                      22,054







                    &#160;







                      22,054







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;









                    Common stock






                    &#160;







                      37,619







                    &#160;







                      37,619







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;









                    Derivatives






                    &#160;







                      10,388







                    &#160;







                      2,182







                    &#160;







                      8,206







                    &#160;







                      &#x2013;









                    Total






                    $







                      4,927,195







                    $







                      2,504,622







                    $







                      2,422,481







                    $







                      92









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Liabilities






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Derivatives






                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;









                    Total






                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;








          &#160;







                    As of March 31, 2022






                    &#160;






                    Total






                    &#160;






                    Level 1






                    &#160;






                    Level 2






                    &#160;






                    Level 3








                    &#160;






                    &#160;






                    (In thousands)








                    Assets






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Short-term investments






                    $







                      2,482,154







                    $







                      2,482,154







                    $







                      &#x2013;







                    $







                      &#x2013;









                    Fixed maturities - available for sale






                    &#160;







                      2,821,092







                    &#160;







                      26,914







                    &#160;







                      2,794,086







                    &#160;







                      92









                    Preferred stock






                    &#160;







                      26,095







                    &#160;







                      26,095







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;









                    Common stock






                    &#160;







                      46,212







                    &#160;







                      46,212







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;









                    Derivatives






                    &#160;







                      7,474







                    &#160;







                      7,474







                    &#160;







                      &#x2013;







                    &#160;







                      &#x2013;









                    Total






                    $







                      5,383,027







                    $







                      2,588,849







                    $







                      2,794,086







                    $







                      92









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Liabilities






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Derivatives






                    $







                      587







                    $







                      &#x2013;







                    $







                      587







                    $







                      &#x2013;









                    Total






                    $







                      587







                    $







                      &#x2013;







                    $







                      587







                    $







                      &#x2013;








          &#160;


          The fair value measurements for our assets using significant unobservable inputs (Level 3) were $

            0.1

         million for both December 31, 2022 and March 31, 2022.</us-gaap:FairValueDisclosuresTextBlock>
    <us-gaap:FairValueByBalanceSheetGroupingTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Fair Value Hierarchy



                    &#160;



                    &#160;



                    Carrying



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Total Estimated



                    As of December 31, 2022



                    &#160;



                    Value



                    &#160;



                    Level 1



                    &#160;



                    Level 2



                    &#160;



                    Level 3



                    &#160;



                    Fair Value



                    &#160;



                    &#160;



                    (Unaudited)



                    Assets



                    &#160;



                    (In thousands)



                    Reinsurance recoverables and trade receivables, net



                    $




                      208,182




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      208,182




                    $




                      208,182




                    Mortgage loans, net



                    &#160;




                      414,886




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      414,886




                    &#160;




                      393,980




                    Other investments



                    &#160;




                      103,569




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      103,569




                    &#160;




                      103,569




                    Total



                    $




                      726,637




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      726,637




                    $




                      705,731




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Liabilities



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Notes, loans and finance leases payable



                    $




                      6,236,822




                    $




                      &#x2013;




                    $




                      6,236,822




                    $




                      &#x2013;




                    $




                      5,813,962


                Total$
                      6,236,822
                    $
                      &#x2013;
                    $
                      6,236,822
                    $
                      &#x2013;
                    $
                      5,813,962
                    </us-gaap:FairValueByBalanceSheetGroupingTextBlock>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">208182000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">208182000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">208182000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">414886000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">414886000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">393980000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:OtherLongTermInvestments
      contextRef="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">103569000</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">103569000</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">103569000</us-gaap:OtherLongTermInvestments>
    <uhal:AssetsFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">726637000</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">726637000</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">705731000</uhal:AssetsFairValueCarryingValue>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">6236822000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">6236822000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">5813962000</us-gaap:DebtInstrumentCarryingAmount>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">6236822000</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">6236822000</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">5813962000</uhal:LiabilitiesFairValueCarryingValue>
    <us-gaap:FairValueByBalanceSheetGroupingTextBlock contextRef="DYPriorYear">

                    &#160;



                    &#160;



                    Fair Value Hierarchy



                    &#160;



                    &#160;



                    Carrying



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Total Estimated



                    As of March 31, 2022



                    &#160;



                    Value



                    &#160;



                    Level 1



                    &#160;



                    Level 2



                    &#160;



                    Level 3



                    &#160;



                    Fair Value



                    &#160;



                    &#160;



                    (In thousands)



                    Assets



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Reinsurance recoverables and trade receivables, net



                    $




                      229,343




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      229,343




                    $




                      229,343




                    Mortgage loans, net



                    &#160;




                      423,163




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      423,163




                    &#160;




                      450,347




                    Other investments



                    &#160;




                      120,592




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      120,592




                    &#160;




                      120,592




                    Total



                    $




                      773,098




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      773,098




                    $




                      800,282




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Liabilities



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Notes, loans and finance leases payable



                    $




                      6,059,713




                    $




                      &#x2013;




                    $




                      6,059,713




                    $




                      &#x2013;




                    $




                      5,875,781


                Total$
                      6,059,713
                    $
                      &#x2013;
                    $
                      6,059,713
                    $
                      &#x2013;
                    $
                      5,875,781
                    </us-gaap:FairValueByBalanceSheetGroupingTextBlock>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">229343000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">229343000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <uhal:ReinsuranceRecoverablesAndTradeReceivablesNet contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">229343000</uhal:ReinsuranceRecoverablesAndTradeReceivablesNet>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">423163000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">423163000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:MortgageLoansOnRealEstate contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">450347000</us-gaap:MortgageLoansOnRealEstate>
    <us-gaap:OtherLongTermInvestments
      contextRef="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">120592000</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">120592000</us-gaap:OtherLongTermInvestments>
    <us-gaap:OtherLongTermInvestments contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">120592000</us-gaap:OtherLongTermInvestments>
    <uhal:AssetsFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">773098000</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">773098000</uhal:AssetsFairValueCarryingValue>
    <uhal:AssetsFairValueCarryingValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">800282000</uhal:AssetsFairValueCarryingValue>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">6059713000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">6059713000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5875781000</us-gaap:DebtInstrumentCarryingAmount>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByMeasurementBasisAxis_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      unitRef="USD">6059713000</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">6059713000</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</uhal:LiabilitiesFairValueCarryingValue>
    <uhal:LiabilitiesFairValueCarryingValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5875781000</uhal:LiabilitiesFairValueCarryingValue>
    <us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    As of December 31, 2022



                    &#160;



                    Total



                    &#160;



                    Level 1



                    &#160;



                    Level 2



                    &#160;



                    Level 3



                    &#160;



                    &#160;



                    (Unaudited)



                    Assets



                    &#160;



                    (In thousands)



                    Short-term investments



                    $




                      2,193,606




                    $




                      2,193,606




                    $




                      &#x2013;




                    $




                      &#x2013;




                    Fixed maturities - available for sale



                    &#160;




                      2,663,528




                    &#160;




                      249,161




                    &#160;




                      2,414,275




                    &#160;




                      92




                    Preferred stock



                    &#160;




                      22,054




                    &#160;




                      22,054




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Common stock



                    &#160;




                      37,619




                    &#160;




                      37,619




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Derivatives



                    &#160;




                      10,388




                    &#160;




                      2,182




                    &#160;




                      8,206




                    &#160;




                      &#x2013;




                    Total



                    $




                      4,927,195




                    $




                      2,504,622




                    $




                      2,422,481




                    $




                      92




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Liabilities



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Derivatives



                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      &#x2013;


                Total$
                      &#x2013;
                    $
                      &#x2013;
                    $
                      &#x2013;
                    $
                      &#x2013;
                    </us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock>
    <us-gaap:TradingSecurities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2193606000</us-gaap:TradingSecurities>
    <us-gaap:TradingSecurities
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">2193606000</us-gaap:TradingSecurities>
    <us-gaap:TradingSecurities
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:TradingSecurities>
    <us-gaap:TradingSecurities
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:TradingSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">2663528000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">249161000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">2414275000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">92000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">22054000</uhal:PreferredStockFairValueDisclosure>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">22054000</uhal:PreferredStockFairValueDisclosure>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:PreferredStockFairValueDisclosure>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</uhal:PreferredStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">37619000</uhal:CommonStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">37619000</uhal:CommonStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockFairValueDisclosure>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">10388000</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">2182000</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">8206000</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">4927195000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">2504622000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">2422481000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">92000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="EndOfCurrentQuarter_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock contextRef="DYPriorYear">

                    As of March 31, 2022



                    &#160;



                    Total



                    &#160;



                    Level 1



                    &#160;



                    Level 2



                    &#160;



                    Level 3



                    &#160;



                    &#160;



                    (In thousands)



                    Assets



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Short-term investments



                    $




                      2,482,154




                    $




                      2,482,154




                    $




                      &#x2013;




                    $




                      &#x2013;




                    Fixed maturities - available for sale



                    &#160;




                      2,821,092




                    &#160;




                      26,914




                    &#160;




                      2,794,086




                    &#160;




                      92




                    Preferred stock



                    &#160;




                      26,095




                    &#160;




                      26,095




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Common stock



                    &#160;




                      46,212




                    &#160;




                      46,212




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Derivatives



                    &#160;




                      7,474




                    &#160;




                      7,474




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Total



                    $




                      5,383,027




                    $




                      2,588,849




                    $




                      2,794,086




                    $




                      92




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Liabilities



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Derivatives



                    $




                      587




                    $




                      &#x2013;




                    $




                      587




                    $




                      &#x2013;


                Total$
                      587
                    $
                      &#x2013;
                    $
                      587
                    $
                      &#x2013;
                    </us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock>
    <us-gaap:TradingSecurities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2482154000</us-gaap:TradingSecurities>
    <us-gaap:TradingSecurities
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">2482154000</us-gaap:TradingSecurities>
    <us-gaap:TradingSecurities
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:TradingSecurities>
    <us-gaap:TradingSecurities
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:TradingSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">2821092000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">26914000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">2794086000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <us-gaap:AvailableForSaleSecuritiesDebtSecurities
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">92000</us-gaap:AvailableForSaleSecuritiesDebtSecurities>
    <uhal:PreferredStockFairValueDisclosure contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">26095000</uhal:PreferredStockFairValueDisclosure>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">26095000</uhal:PreferredStockFairValueDisclosure>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:PreferredStockFairValueDisclosure>
    <uhal:PreferredStockFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</uhal:PreferredStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">46212000</uhal:CommonStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">46212000</uhal:CommonStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockFairValueDisclosure>
    <uhal:CommonStockFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</uhal:CommonStockFairValueDisclosure>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">7474000</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">7474000</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:InterestRateDerivativeAssetsAtFairValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateDerivativeAssetsAtFairValue>
    <us-gaap:AssetsFairValueDisclosure contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5383027000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">2588849000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">2794086000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">92000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">587000</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">587000</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue>
    <us-gaap:LiabilitiesFairValueDisclosure contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">587000</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel1Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel2Member"
      decimals="-3"
      unitRef="USD">587000</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:LiabilitiesFairValueDisclosure
      contextRef="FYPriorEndYear_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member"
      decimals="-3"
      unitRef="USD">0</us-gaap:LiabilitiesFairValueDisclosure>
    <us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">100000</us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales>
    <us-gaap:RevenueFromContractWithCustomerTextBlock contextRef="DYCurrentNineMonthsToDate">

          15. Revenue Recognition


          Revenue Recognized in Accordance with Topic 606

        ASC Topic 606, Revenue from Contracts with Customers (Topic 606), outlines a five-step model for entities to use in accounting for revenue arising from contracts with customers. The standard applies to all contracts with customers except for leases, insurance contracts, financial instruments, certain nonmonetary exchanges and certain guarantees. The standard also requires disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments.


          We enter into contracts that may include various combinations of products and services, which are generally capable of being distinct and accounted for as separate performance obligations. Revenue is recognized net of amounts collected from customers for taxes, such as sales tax, and remitted to the applicable taxing authorities. We account for a contract under Topic 606 when it has approval and commitment from both parties, the rights of the parties are identified, payment terms are identified, the contract has commercial substance and collectability of consideration is probable. For contracts scoped into this standard, revenue is recognized when (or as) the performance obligations are satisfied by means of transferring goods or services to the customer as applicable to each revenue stream as discussed below. There were no material contract assets or liabilities as of December 31, 2022 and March 31, 2022.


          Sales of self-moving and self-storage related products are recognized at the time that title passes and the customer accepts delivery. The performance obligations identified for this portfolio of contracts include moving and storage product sales, installation services and/or propane sales. Each of these performance obligations has an observable stand-alone selling price. We concluded that the performance obligations identified are satisfied at a point in time. The basis for this conclusion is that the customer does not receive the product/propane or benefit from the installation services until the related performance obligation is satisfied. These products/services being provided have an alternative use as they are not customized and can be sold/provided to any customer. In addition, we only have the right to receive payment once the products have been transferred to the customer or the installation services have been completed. Although product sales have a right of return policy, our estimated obligation for future product returns is not material to the financial statements at this time.


          Property management fees are recognized over the period that agreed-upon services are provided. The performance obligation for this portfolio of contracts is property management services, which represents a series of distinct days of service, each of which is comprised of activities that may vary from day to day. However, those tasks are activities to fulfill the property management services and are not separate promises in the contract. We determined that each increment of the promised service is distinct. This is because the customer can benefit from each increment of service on its own and each increment of service is separately identifiable because no day of service significantly modifies or customizes another and no day of service significantly affects either the entity&#x2019;s ability to fulfill another day of service or the benefit to the customer of another day of service. As such, we concluded that the performance obligation is satisfied over time. Additionally, in certain contracts the Company has the ability to earn an incentive fee based on operational results. We measure and recognize the progress toward completion of the performance obligation on a quarterly basis using the most likely amount method to determine an accrual for the incentive fee portion of the compensation received in exchange for the property management service. The variable consideration recognized is subject to constraints due to a range of possible consideration amounts based on actual operational results. The amount accrued in the third quarter of fiscal 2023 did not have a material effect on our financial statements.

        Other revenue consists of numerous services or rentals, of which U-Box contracts and service fees from Moving Help are the main components. The performance obligations identified for U-Box contracts are fees for rental, storage and shipping of U-Box containers to a specified location, each of which are distinct. A contract may be partially within the scope of Topic 606 and partially within the scope of other topics. The rental and storage obligations in U-Box contracts meet the definition of a lease in Topic 842, while the shipping obligation represents a contract with a customer accounted for under Topic 606. Therefore, we allocate the total transaction price between the performance obligations of storage fees and rental fees and the shipping fees on a standalone selling price basis. U-Box shipping fees are collected once the shipment is in transit. Shipping fees in U-Box contracts are set at the initiation of the contract based on the shipping origin and destination, and the performance obligation is satisfied over time. U-Box shipping contracts span over a relatively short period of time, and the majority of these contracts begin and end within the same fiscal year. Moving Help services fees are recognized in accordance with Topic 606. Moving Help services are generated as we provide a neutral venue for the connection between the service provider and the customer for agreed upon services. We do not control the specified services provided by the service provider before that service is transferred to the customer.


          Revenue Recognized in Accordance with Topic 842


          The Company&#x2019;s self-moving rental revenues meet the definition of a lease pursuant to the guidance in Topic 842 because those substitution rights do not provide an economic benefit to the Company that would exceed the cost of exercising the right.
          &#160;
          Please see Note 8, Leases, of the Notes to the Condensed Consolidated Financial Statements.


          Self-moving rentals are recognized over the contract period that trucks and moving equipment are rented. We offer two types of self-moving rental contracts, one-way rentals and in-town rentals, which have varying payment terms. Customer payment is received at the initiation of the contract for one-way rentals which covers an allowable limit for equipment usage. An estimated fee in the form of a deposit is received at the initiation of the contract for in-town rentals, and final payment is received upon the return of the equipment based on actual fees incurred. The contract price is estimated at the initiation of the contract, as there is variable consideration associated with ratable fees incurred based on the number of days the equipment is rented and the number of miles driven. Variable consideration is estimated using the most likely amount method which is based on the intended use of the rental equipment by the customer at the initiation of the contract. Historically, the variability in estimated transaction pricing compared to actual is not significant due to the relatively short duration of rental contracts. Each performance obligation has an observable stand-alone selling price. The input method of passage of time is appropriate as there is a direct relationship between our inputs and the transfer of benefit to the customer over the life of the contract. Self-moving rental contracts span a relatively short period of time, and the majority of these contracts began and ended within the same fiscal year.


          Self-storage revenues are recognized as earned over the contract period based upon the number of paid storage contract days.


          We lease portions of our operating properties to tenants under agreements that are classified as operating leases. We recognize the total minimum lease payments provided for under the leases on a straight-line basis over the lease term. Generally, under the terms of our leases, the majority of our rental expenses, including common area maintenance, real estate taxes and insurance, are recovered from our customers.


          The following table summarizes the minimum lease payments due from our customers and operating property tenants on leases for the next five years and thereafter:







                    &#160;






                    &#160;






                    Year Ending December 31,








                    &#160;






                    &#160;






                    2023






                    &#160;






                    2024






                    &#160;






                    2025






                    &#160;






                    2026






                    &#160;






                    2027






                    &#160;






                    Thereafter








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Self-moving equipment rentals






                    $







                      5,724







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;







                    $







                      &#x2013;









                    Property lease revenues






                    &#160;







                      20,136







                    &#160;







                      12,290







                    &#160;







                      9,403







                    &#160;







                      7,634







                    &#160;







                      5,095







                    &#160;







                      39,749









                    Total






                    $







                      25,860







                    $







                      12,290







                    $







                      9,403







                    $







                      7,634







                    $







                      5,095







                    $







                      39,749








          &#160;


          The amounts above do not reflect future rental revenue from the renewal or replacement of existing leases.


          Revenue Recognized in Accordance with Other Topics


          Traditional life and Medicare supplement insurance premiums are recognized as revenue over the premium-paying periods of the contracts when due from the policyholders. For products where premiums are due over a significantly shorter duration than the period over which benefits are provided, such as our single premium whole life product, premiums are recognized when received and excess profits are deferred and recognized in relation to the insurance in force.

        Property and casualty insurance premiums are recognized as revenue over the policy periods. Interest and investment income are recognized as earned.


          Net investment and interest income has multiple components. Interest income from bonds and mortgage notes are recognized when earned. Dividends on common and preferred stocks are recognized on the ex-dividend dates. Realized gains and losses on the sale or exchange of investments are recognized at the trade date.


          In the following tables, revenue is disaggregated by timing of revenue recognition:







                    &#160;






                    &#160;






                    Quarter Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Revenues recognized over time:






                    $
                    &#160;







                      69,797







                    $
                    &#160;







                      73,785









                    Revenues recognized at a point in time:






                    &#160;







                      92,698







                    &#160;







                      90,763









                    Total revenues recognized under ASC 606






                    &#160;







                      162,495







                    &#160;







                      164,548









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Revenues recognized under ASC 842






                    &#160;







                      1,110,247







                    &#160;







                      1,154,751









                    Revenues recognized under ASC 944






                    &#160;







                      50,300







                    &#160;







                      53,853









                    Revenues recognized under ASC 320






                    &#160;







                      52,294







                    &#160;







                      31,184









                    Total revenues






                    $


                    &#160;







                      1,375,336







                    $


                    &#160;







                      1,404,336








          &#160;







                    &#160;






                    &#160;






                    Nine Months Ended December 31,








                    &#160;






                    &#160;






                    2022






                    &#160;






                    2021








                    &#160;






                    &#160;






                    (Unaudited)








                    &#160;






                    &#160;






                    (In thousands)








                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Revenues recognized over time:






                    $
                    &#160;







                      300,082







                    $
                    &#160;







                      261,638









                    Revenues recognized at a point in time:






                    &#160;







                      338,019







                    &#160;







                      322,405









                    Total revenues recognized under ASC 606






                    &#160;







                      638,101







                    &#160;







                      584,043









                    &#160;






                    &#160;






                    &#160;






                    &#160;






                    &#160;








                    Revenues recognized under ASC 842






                    &#160;







                      3,772,203







                    &#160;







                      3,701,695









                    Revenues recognized under ASC 944






                    &#160;







                      149,360







                    &#160;







                      152,745









                    Revenues recognized under ASC 320






                    &#160;







                      116,376







                    &#160;







                      102,963









                    Total revenues






                    $


                    &#160;







                      4,676,040







                    $


                    &#160;







                      4,541,446








          In the above tables, the revenues recognized over time include property management fees, the shipping fees associated with U-Box container rentals and a portion of other revenues. Revenues recognized at a point in time include self-moving equipment rentals, self-moving and self-storage products and service sales and a portion of other revenues
          .

      We recognized liabilities resulting from contracts with customers for self-moving equipment rentals, self-storage revenues, U-Box revenues and tenant revenues, in which the length of the contract goes beyond the reported period end, although rental periods of the equipment, storage and U-Box contract are generally short-term in nature. The timing of revenue recognition results in liabilities that are reflected in deferred income on the balance sheet. </us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:DisaggregationOfRevenueTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Year Ending December 31,



                    &#160;



                    &#160;



                    2023



                    &#160;



                    2024



                    &#160;



                    2025



                    &#160;



                    2026



                    &#160;



                    2027



                    &#160;



                    Thereafter



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Self-moving equipment rentals



                    $




                      5,724




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      &#x2013;




                    $




                      &#x2013;




                    Property lease revenues



                    &#160;




                      20,136




                    &#160;




                      12,290




                    &#160;




                      9,403




                    &#160;




                      7,634




                    &#160;




                      5,095




                    &#160;




                      39,749


                Total$
                      25,860
                    $
                      12,290
                    $
                      9,403
                    $
                      7,634
                    $
                      5,095
                    $
                      39,749
                    </us-gaap:DisaggregationOfRevenueTableTextBlock>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent
      contextRef="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember"
      decimals="-3"
      unitRef="USD">5724000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter
      contextRef="FYPriorEndYear_ProductOrServiceAxis_SelfMovingEquipmentMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent
      contextRef="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember"
      decimals="-3"
      unitRef="USD">20136000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember"
      decimals="-3"
      unitRef="USD">12290000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember"
      decimals="-3"
      unitRef="USD">9403000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember"
      decimals="-3"
      unitRef="USD">7634000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears
      contextRef="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember"
      decimals="-3"
      unitRef="USD">5095000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter
      contextRef="FYPriorEndYear_ProductOrServiceAxis_PropertyLeaseRevenueMember"
      decimals="-3"
      unitRef="USD">39749000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">25860000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">12290000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">9403000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">7634000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">5095000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">39749000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter>
    <us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock contextRef="DYPriorQuarterToDate">

                    &#160;



                    &#160;



                    Quarter Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Revenues recognized over time:



                    $
                    &#160;




                      69,797




                    $
                    &#160;




                      73,785




                    Revenues recognized at a point in time:



                    &#160;




                      92,698




                    &#160;




                      90,763




                    Total revenues recognized under ASC 606



                    &#160;




                      162,495




                    &#160;




                      164,548




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Revenues recognized under ASC 842



                    &#160;




                      1,110,247




                    &#160;




                      1,154,751




                    Revenues recognized under ASC 944



                    &#160;




                      50,300




                    &#160;




                      53,853




                    Revenues recognized under ASC 320



                    &#160;




                      52,294




                    &#160;




                      31,184


                Total revenues$&#160;
                      1,375,336
                    $&#160;
                      1,404,336
                    </us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock>
    <uhal:RevenuesRecognizedOverTime
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">69797000</uhal:RevenuesRecognizedOverTime>
    <uhal:RevenuesRecognizedOverTime
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">73785000</uhal:RevenuesRecognizedOverTime>
    <uhal:RevenuesRecognizedAtPointInTime
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">92698000</uhal:RevenuesRecognizedAtPointInTime>
    <uhal:RevenuesRecognizedAtPointInTime
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">90763000</uhal:RevenuesRecognizedAtPointInTime>
    <uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">162495000</uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime>
    <uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">164548000</uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime>
    <uhal:RevenuesFromContractsWithCustomersLeases
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1110247000</uhal:RevenuesFromContractsWithCustomersLeases>
    <uhal:RevenuesFromContractsWithCustomersLeases
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1154751000</uhal:RevenuesFromContractsWithCustomersLeases>
    <uhal:RevenuesFromContractsWithCustomersInsurance
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">50300000</uhal:RevenuesFromContractsWithCustomersInsurance>
    <uhal:RevenuesFromContractsWithCustomersInsurance
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">53853000</uhal:RevenuesFromContractsWithCustomersInsurance>
    <uhal:RevenuesFromContractsWithCustomersInvestments
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">52294000</uhal:RevenuesFromContractsWithCustomersInvestments>
    <uhal:RevenuesFromContractsWithCustomersInvestments
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">31184000</uhal:RevenuesFromContractsWithCustomersInvestments>
    <us-gaap:Revenues
      contextRef="DYCurrentQuarterToDate"
      decimals="-3"
      unitRef="USD">1375336000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorQuarterToDate"
      decimals="-3"
      unitRef="USD">1404336000</us-gaap:Revenues>
    <us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock contextRef="DYCurrentNineMonthsToDate">

                    &#160;



                    &#160;



                    Nine Months Ended December 31,



                    &#160;



                    &#160;



                    2022



                    &#160;



                    2021



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Revenues recognized over time:



                    $
                    &#160;




                      300,082




                    $
                    &#160;




                      261,638




                    Revenues recognized at a point in time:



                    &#160;




                      338,019




                    &#160;




                      322,405




                    Total revenues recognized under ASC 606



                    &#160;




                      638,101




                    &#160;




                      584,043




                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    &#160;



                    Revenues recognized under ASC 842



                    &#160;




                      3,772,203




                    &#160;




                      3,701,695




                    Revenues recognized under ASC 944



                    &#160;




                      149,360




                    &#160;




                      152,745




                    Revenues recognized under ASC 320



                    &#160;




                      116,376




                    &#160;




                      102,963


                Total revenues$&#160;
                      4,676,040
                    $&#160;
                      4,541,446
                    </us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock>
    <uhal:RevenuesRecognizedOverTime
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">300082000</uhal:RevenuesRecognizedOverTime>
    <uhal:RevenuesRecognizedOverTime
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">261638000</uhal:RevenuesRecognizedOverTime>
    <uhal:RevenuesRecognizedAtPointInTime
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">338019000</uhal:RevenuesRecognizedAtPointInTime>
    <uhal:RevenuesRecognizedAtPointInTime
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">322405000</uhal:RevenuesRecognizedAtPointInTime>
    <uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">638101000</uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime>
    <uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">584043000</uhal:RevenuesFromContractsRecognizedOverTimeAndPointInTime>
    <uhal:RevenuesFromContractsWithCustomersLeases
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3772203000</uhal:RevenuesFromContractsWithCustomersLeases>
    <uhal:RevenuesFromContractsWithCustomersLeases
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">3701695000</uhal:RevenuesFromContractsWithCustomersLeases>
    <uhal:RevenuesFromContractsWithCustomersInsurance
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">149360000</uhal:RevenuesFromContractsWithCustomersInsurance>
    <uhal:RevenuesFromContractsWithCustomersInsurance
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">152745000</uhal:RevenuesFromContractsWithCustomersInsurance>
    <uhal:RevenuesFromContractsWithCustomersInvestments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">116376000</uhal:RevenuesFromContractsWithCustomersInvestments>
    <uhal:RevenuesFromContractsWithCustomersInvestments
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">102963000</uhal:RevenuesFromContractsWithCustomersInvestments>
    <us-gaap:Revenues
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4676040000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="DYPriorNineMonthsToDate"
      decimals="-3"
      unitRef="USD">4541446000</us-gaap:Revenues>
    <us-gaap:AllowanceForCreditLossesTextBlock contextRef="DYCurrentNineMonthsToDate">

          16. Allowance for Credit Losses


          Trade Receivables


          Moving and Storage has two (

            2

          ) primary components of trade receivables, receivables from corporate customers and credit card receivables from customer sales and rental of equipment.
          &#160;

            For credit card receivables, the Company uses a trailing 13 months average historical chargeback percentage of total credit card receivables to estimate a credit loss reserve. The Company rents equipment to corporate customers in which payment terms are 30 days.



          The Company performs ongoing credit evaluations of its customers and assesses each customer&#x2019;s credit worthiness. In addition, the Company monitors collections and payments from its customers and maintains an allowance based upon applying an expected credit loss rate to receivables based on the historical loss rate from similar high risk customers adjusted for current conditions, including any specific customer collection issues identified, and forecasts of economic conditions. Delinquent account balances are written off after management has determined that the likelihood of collection is remote.


          Management believes that the historical loss information it has compiled is a reasonable base on which to determine expected credit losses for trade receivables because the composition of trade receivables as of that date is consistent with that used in developing the historical credit loss percentages (i.e., the similar risk characteristics of its customers and its lending practices have not changed signi&#xfb01;cantly over time).
          &#160;
          To adjust the historical loss rates to re&#xfb02;ect the e&#xfb00;ects of these di&#xfb00;erences in current conditions and forecasted changes, management assigns a rating to each corporate customer which varies depending on the assessment of risk. Management estimated the loss rate at approximately

            4

          % and

            6

          % as of December 31, 2022 and March 31, 2022, respectively. Management developed this estimate based on its knowledge of past experience for which there were similar improvements in the economy. As a result, management applied the applicable credit loss rates to determine the expected credit loss estimate for each aging category. Accordingly, the allowance for expected credit losses as of December 31, 2022, was $

            4.0

           million.


          Accrued Interest Receivable


          Accrued interest receivables on available for sale securities totaled $

            29.6

           million as of September 30, 2022 and are excluded from the estimate of credit losses.


          As outlined in subtopic 326-20-30-5A, we have elected not to measure an allowance on accrued interest receivables as our practice is to write off the uncollectible balance in a timely manner. Furthermore, we have elected to write off accrued interest receivables by reversing interest income (in accordance with subtopic 326-20-35-8A).


          Mortgage loans, net



            Loans that management has the intent and ability to hold for the foreseeable future, or until maturity or payoff, are reported at amortized cost.
            &#160;
            Modeling for the Company&#x2018;s mortgage loans is based on inputs most highly correlated to defaults, including loan-to-value, occupancy, and payment history.
            &#160;
            Historical credit loss experience provides additional support for the estimation of expected credit losses. In assessing the credit losses, the portfolio is reviewed on a collective basis, using loan-specific cash flows to determine the fair value of the collateral in the event of default.
            &#160;


            Adjustments to this analysis are made to assess loans with a loan-to-value of 65% or greater.

          &#160;
          These loans are evaluated on an individual basis and loan specific risk characteristics such as occupancy levels, expense, income growth and other relevant available information from internal and external sources relating to past events, current conditions, and reasonable and supportable forecasts.


          When management determines that credit losses are expected to occur, an allowance for expected credit losses based on the fair value of the collateral is recorded.


          Reinsurance recoverables

        Reinsurance recoverables on paid and unpaid benefits was less than 1% of the total assets as of September 30, 2022 which is immaterial based on historical loss experience and high credit rating of the reinsurers.


          Premium receivables


          Premium receivables
          &#160;
          were $

            4.0

           million as of September 30, 2022, in which the credit loss allowance is immaterial based on our ability to cancel the policy if the policyholder doesn't pay premiums.


          The following details the changes in the Company&#x2019;s reserve allowance for credit losses for trade receivables, fixed maturities and investments, other:


          &#160;



                    &#160;



                    &#160;



                    Allowance for Credit Losses



                    &#160;



                    &#160;



                    Trade Receivables



                    &#160;



                    Investments, Fixed Maturities



                    &#160;



                    Investments, other



                    &#160;



                    Total



                    &#160;



                    &#160;



                    (Unaudited)



                    &#160;



                    &#160;



                    (In thousands)



                    Balance as of March 31, 2021



                    $




                      4,421




                    $




                      1,320




                    $




                      501




                    $




                      6,242




                    Provision for (reversal of) credit losses



                    &#160;




                      4,228




                    &#160;



                    (1,260)



                    &#160;




                      &#x2013;




                    &#160;




                      2,968




                    Write-offs against allowance



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Recoveries



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Balance as of March 31, 2022



                    $




                      8,649




                    $




                      60




                    $




                      501




                    $




                      9,210




                    Provision for (reversal of) credit losses



                    &#160;



                    (4,630)



                    &#160;




                      2,183




                    &#160;




                      5




                    &#160;



                    (2,442)



                    Write-offs against allowance



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    Recoveries



                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;




                    &#160;




                      &#x2013;



                    Balance as of December 31, 2022

                    $


                      4,019


                    &#160;


                      2,243


                    $


                      506


                    $

                      6,768
                    </us-gaap:AllowanceForCreditLossesTextBlock>
    <us-gaap:NumberOfOperatingSegments
      contextRef="DYCurrentNineMonthsToDate"
      decimals="INF"
      unitRef="Pure">2</us-gaap:NumberOfOperatingSegments>
    <uhal:AverageHistoricalChargebackTerm contextRef="DYCurrentNineMonthsToDate_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_CreditCardReceivablesMember">For credit card receivables, the Company uses a trailing 13 months average historical chargeback percentage of total credit card receivables to estimate a credit loss reserve. The Company rents equipment to corporate customers in which payment terms are 30 days.</uhal:AverageHistoricalChargebackTerm>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="DYCurrentNineMonthsToDate"
      decimals="INF"
      unitRef="Pure">0.04</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="DYPriorNineMonthsToDate"
      decimals="INF"
      unitRef="Pure">0.06</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:GainsLossesOnSalesOfCreditCardPortfolio
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-5"
      unitRef="USD">4000000.0</us-gaap:GainsLossesOnSalesOfCreditCardPortfolio>
    <us-gaap:InterestReceivableNoncurrent
      contextRef="EndOfCurrentQuarter"
      decimals="-5"
      unitRef="USD">29600000</us-gaap:InterestReceivableNoncurrent>
    <us-gaap:FinancingReceivableCreditQualityAdditionalInformation contextRef="DYCurrentNineMonthsToDate_FinancingReceivablePortfolioSegmentAxis_CommercialRealEstatePortfolioSegmentMember">
            Loans that management has the intent and ability to hold for the foreseeable future, or until maturity or payoff, are reported at amortized cost.
            &#160;
            Modeling for the Company&#x2018;s mortgage loans is based on inputs most highly correlated to defaults, including loan-to-value, occupancy, and payment history.
            &#160;
            Historical credit loss experience provides additional support for the estimation of expected credit losses. In assessing the credit losses, the portfolio is reviewed on a collective basis, using loan-specific cash flows to determine the fair value of the collateral in the event of default.
            &#160;
          Adjustments to this analysis are made to assess loans with a loan-to-value of 65% or greater.</us-gaap:FinancingReceivableCreditQualityAdditionalInformation>
    <us-gaap:ContractsInForceSubjectToParticipationThroughReinsurancePercentage
      contextRef="DYCurrentNineMonthsToDate"
      decimals="INF"
      unitRef="Pure">0.01</us-gaap:ContractsInForceSubjectToParticipationThroughReinsurancePercentage>
    <us-gaap:PremiumsReceivableGross
      contextRef="EndOfCurrentQuarter"
      decimals="-5"
      unitRef="USD">4000000.0</us-gaap:PremiumsReceivableGross>
    <us-gaap:AccountsReceivableAllowanceForCreditLossTableTextBlock contextRef="DYCurrentNineMonthsToDate">


                    &#160;





                    &#160;





                    Allowance for Credit Losses





                    &#160;





                    &#160;





                    Trade Receivables





                    &#160;





                    Investments, Fixed Maturities





                    &#160;





                    Investments, other





                    &#160;





                    Total





                    &#160;





                    &#160;





                    (Unaudited)





                    &#160;





                    &#160;





                    (In thousands)





                    Balance as of March 31, 2021





                    $






                      4,421






                    $






                      1,320






                    $






                      501






                    $






                      6,242






                    Provision for (reversal of) credit losses





                    &#160;






                      4,228






                    &#160;





                    (1,260)





                    &#160;






                      &#x2013;






                    &#160;






                      2,968






                    Write-offs against allowance





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    Recoveries





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    Balance as of March 31, 2022





                    $






                      8,649






                    $






                      60






                    $






                      501






                    $






                      9,210






                    Provision for (reversal of) credit losses





                    &#160;





                    (4,630)





                    &#160;






                      2,183






                    &#160;






                      5






                    &#160;





                    (2,442)





                    Write-offs against allowance





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    Recoveries





                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;






                    &#160;






                      &#x2013;



              Balance as of December 31, 2022$
                      4,019
                    &#160;
                      2,243
                    $
                      506
                    $

                      6,768

                  </us-gaap:AccountsReceivableAllowanceForCreditLossTableTextBlock>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPrior2YearEndPrior_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">4421000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPrior2YearEndPrior_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">1320000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPrior2YearEndPrior_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">501000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPrior2YearEndPrior"
      decimals="-3"
      unitRef="USD">6242000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">4228000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">-1260000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">0</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent contextRef="DYPriorYear" decimals="-3" unitRef="USD">2968000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs contextRef="DYPriorYear" decimals="-3" unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYPriorYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries contextRef="DYPriorYear" decimals="-3" unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPriorEndYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">8649000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPriorEndYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">60000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="FYPriorEndYear_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">501000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable contextRef="FYPriorEndYear" decimals="-3" unitRef="USD">9210000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">-4630000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">2183000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">5000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <uhal:TransitionAdjustmentExpectedCreditLossCurrent
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">-2442000</uhal:TransitionAdjustmentExpectedCreditLossCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYCurrentNineMonthsToDate_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
      contextRef="DYCurrentNineMonthsToDate"
      decimals="-3"
      unitRef="USD">0</us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="EndOfCurrentQuarter_ValuationAllowancesAndReservesTypeAxis_AllowanceForCreditLossMember"
      decimals="-3"
      unitRef="USD">4019000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="EndOfCurrentQuarter_ValuationAllowancesAndReservesTypeAxis_AllowanceForLossesOnFinanceReceivablesMember"
      decimals="-3"
      unitRef="USD">2243000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="EndOfCurrentQuarter_ValuationAllowancesAndReservesTypeAxis_AllowanceForLoanAndLeaseLossesRealEstateMember"
      decimals="-3"
      unitRef="USD">506000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:AllowanceForDoubtfulAccountsReceivable
      contextRef="EndOfCurrentQuarter"
      decimals="-3"
      unitRef="USD">6768000</us-gaap:AllowanceForDoubtfulAccountsReceivable>
    <us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock contextRef="DYCurrentNineMonthsToDate">

          17.
          &#160;
          Accounting Pronouncements


          Recent Accounting Pronouncements


          In August 2018, the Financial Accounting Standards Board (&#x201c;FASB&#x201d;) issued ASU 2018-12,
          Targeted Improvements to the Accounting for Long-Duration Contracts
          (&#x201c;ASU 2018-12&#x201d;). The amendments in this update require insurance companies to annually review and update the assumptions used for measuring the liability under long-duration contracts, such as life insurance, disability income, and annuities. The amendment prescribes standardized liability discount rate, consistency in measurement of market risk benefits, simplified amortization of deferred acquisition costs and enhanced disclosures. The amendments are effective for fiscal years, and interim periods within those fiscal years, beginning after December 31, 2020. In November 2020, FASB issued ASU 2020-11,
          Financial Services &#x2013; Insurance (Topic 944)
          , which deferred the effective date of ASU 2018-12 to years beginning after December 15, 2022. We are currently in the process of evaluating the impact of the adoption of ASU 2018-12 on our financial statements; however, the adoption of ASU 2018-12 will impact the statements of operations because the effect of any update to the assumptions we used at the inception of the contracts will be recorded in net income.

      From time to time, new accounting pronouncements are issued by the FASB or the SEC that are adopted by us as of the specified effective date. Unless otherwise discussed, these ASUs entail technical corrections to existing guidance or affect guidance related to specialized industries or entities and therefore will have minimal, if any, impact on our financial position or results of operations upon adoption.</us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock>
</xbrl>
