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  <element name="ContainerVesselMoreThanEightThousandTwentyFootEquivalentUnitsMember" id="nm_ContainerVesselMoreThanEightThousandTwentyFootEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContainerVesselMoreThanFourThousandTwentyFootEquivalentUnitsMember" id="nm_ContainerVesselMoreThanFourThousandTwentyFootEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContainerVesselMoreThanThreeThousandFourHundredFIftyFootEquivalentUnitsMember" id="nm_ContainerVesselMoreThanThreeThousandFourHundredFIftyFootEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContainerVesselMoreThanFiveThousandFiveHundredFootEquivalentUnitsMember" id="nm_ContainerVesselMoreThanFiveThousandFiveHundredFootEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContainerVesselMoreThanThirteenThousandTwentyFootEquivalentUnitsMember" id="nm_ContainerVesselMoreThanThirteenThousandTwentyFootEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContainerVesselSixThousandEightHundedTwentyFootEquivalentUnitsMember" id="nm_ContainerVesselSixThousandEightHundedTwentyFootEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContainerVesselsMember" id="nm_ContainerVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContractualObligationCartisurMember" id="nm_ContractualObligationCartisurMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ContractualObligationEdolmixMember" id="nm_ContractualObligationEdolmixMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="ConvertiblePreferredStock1Member" id="nm_ConvertiblePreferredStock1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ConvertiblePreferredStockConvertedToOtherSecuritiesShares" id="nm_ConvertiblePreferredStockConvertedToOtherSecuritiesShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ConvertiblePreferredStockPolicyTextBlock" id="nm_ConvertiblePreferredStockPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ConvertiblePreferredStockSharePrice" id="nm_ConvertiblePreferredStockSharePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="ConvertiblePreferredStockThresholdTradingDays" id="nm_ConvertiblePreferredStockThresholdTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ConveyorBeltMember" id="nm_ConveyorBeltMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="CorporateIncomeTaxRate" id="nm_CorporateIncomeTaxRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="CorsairShippingLtdMember" id="nm_CorsairShippingLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="CostMember" id="nm_CostMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="CustomerConcentrationRisk2Member" id="nm_CustomerConcentrationRisk2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DateDelivery" id="nm_DateDelivery" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DateExpectedDelivery" id="nm_DateExpectedDelivery" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PercentageFinancedByThirdParty" id="nm_PercentageFinancedByThirdParty" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="AmountFinancedByThirdParty" id="nm_AmountFinancedByThirdParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <element name="DebtInstrumentPercentageOfPrincipalAmountOutstandingAfterRedemption" id="nm_DebtInstrumentPercentageOfPrincipalAmountOutstandingAfterRedemption" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtInstrumentPricePremium" id="nm_DebtInstrumentPricePremium" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="DebtInstrumentRedemptionPeriodFirstMember" id="nm_DebtInstrumentRedemptionPeriodFirstMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtInstrumentRedemptionPeriodOneNotes2022Member" id="nm_DebtInstrumentRedemptionPeriodOneNotes2022Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtInstrumentRedemptionPeriodSecondMember" id="nm_DebtInstrumentRedemptionPeriodSecondMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FromSecondToTenthInstallmentMember" id="nm_FromSecondToTenthInstallmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FromSecondToEightethInstallmentMember" id="nm_FromSecondToEightethInstallmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtInstrumentRedemptionPeriodTwo2019NotesMember" id="nm_DebtInstrumentRedemptionPeriodTwo2019NotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtInstrumentRedemptionPeriodTwo2022NotesMember" id="nm_DebtInstrumentRedemptionPeriodTwo2022NotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DecreaseInCapitalLeaseObligationDueToRestructuring" id="nm_DecreaseInCapitalLeaseObligationDueToRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <element name="DefaultInsurancePolicyMember" id="nm_DefaultInsurancePolicyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DefaultedChartererMember" id="nm_DefaultedChartererMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DeferredPaymentForAcquisitionIntangibleAssets" id="nm_DeferredPaymentForAcquisitionIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <element name="DepositRelatedToPropertyAcquisition" id="nm_DepositRelatedToPropertyAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <element name="DepositarySharesStockParValue" id="nm_DepositarySharesStockParValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="DepositsForVesselsPortTerminalsOtherFixedAssetsPolicyTextBlock" id="nm_DepositsForVesselsPortTerminalsOtherFixedAssetsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
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  <element name="DiesisShipManagementLtdMember" id="nm_DiesisShipManagementLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DiesisShipmanagementMember" id="nm_DiesisShipmanagementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DisposalAssetsTextBlock" id="nm_DisposalAssetsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DisposalsAccumulatedDepreciation" id="nm_DisposalsAccumulatedDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <element name="DividendsCancelledMember" id="nm_DividendsCancelledMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DividendsPolicyTextBlock" id="nm_DividendsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DividendsRateOnEarnings" id="nm_DividendsRateOnEarnings" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DnbNorBankFirstLoanMember" id="nm_DnbNorBankFirstLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="DryBulkerVesselsMember" id="nm_DryBulkerVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DrybulkVesselOperationsMember" id="nm_DrybulkVesselOperationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DrybulkVessels2Member" id="nm_DrybulkVessels2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DrybulkVesselsMember" id="nm_DrybulkVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="DrybulkVesselsMinimumRevenueMember" id="nm_DrybulkVesselsMinimumRevenueMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DucaleMarineIncMember" id="nm_DucaleMarineIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DueFromAffiliateCurrentFairValueDisclosure" id="nm_DueFromAffiliateCurrentFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
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  <element name="DueToAffiliateNoncurrentFairValueDisclosure" id="nm_DueToAffiliateNoncurrentFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
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  <element name="DvbBankFacility1Member" id="nm_DvbBankFacility1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DvbBankFacility3Member" id="nm_DvbBankFacility3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DvbBankFacilityMember" id="nm_DvbBankFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="EffectiveTaxRateOnCorporateAssets" id="nm_EffectiveTaxRateOnCorporateAssets" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="EmeryShippingCorporationMember" id="nm_EmeryShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="EmporikiBank23SecondLoanMember" id="nm_EmporikiBank23SecondLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="EmporikiBankThirdLoanMember" id="nm_EmporikiBankThirdLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="EntitiesIncludedInConsolidationTextBlock" id="nm_EntitiesIncludedInConsolidationTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
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  <element name="EquityMethodInvestmentSummarizedFinancialInformationFinancialLiabilities" id="nm_EquityMethodInvestmentSummarizedFinancialInformationFinancialLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="EquityMethodInvestmentSummarizedFinancialInformationLongTermDebtLiabilities" id="nm_EquityMethodInvestmentSummarizedFinancialInformationLongTermDebtLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
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  <element name="ExpansionDryPortFacilityMember" id="nm_ExpansionDryPortFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ExpansionDryPortMember" id="nm_ExpansionDryPortMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ExpectedImpairmentLossMember" id="nm_ExpectedImpairmentLossMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="ExtendedManagementAgreementMember" id="nm_ExtendedManagementAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FairValueAssetsLiabilitiesMeasuredOnRecurringBasis" id="nm_FairValueAssetsLiabilitiesMeasuredOnRecurringBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
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  <element name="FavorableLeaseTermsPurchaseOptionsForVesselsMember" id="nm_FavorableLeaseTermsPurchaseOptionsForVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="FerniHMember" id="nm_FerniHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FerniHSanSanHMember" id="nm_FerniHSanSanHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FifthStockIssuanceMember" id="nm_FifthStockIssuanceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FiniteLivedIntangibleAssetsDisposalTransferToVesselCostNet" id="nm_FiniteLivedIntangibleAssetsDisposalTransferToVesselCostNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
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  <element name="FirstTwoPointFiveMillionProfitsAboveMarketRateMember" id="nm_FirstTwoPointFiveMillionProfitsAboveMarketRateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FirstYearCharterHireAgreementMember" id="nm_FirstYearCharterHireAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FiveYearsAfterIssuanceDateScenarioMember" id="nm_FiveYearsAfterIssuanceDateScenarioMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FixedDrydockingExpenses" id="nm_FixedDrydockingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="FloralMarineLtdMember" id="nm_FloralMarineLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ForeignCurrencyExchangeGainsLosses" id="nm_ForeignCurrencyExchangeGainsLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="FormosaAndSanLorenzoMember" id="nm_FormosaAndSanLorenzoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <element name="FreightCarriedBetweenParaguayArgentinaBoliviaBrazilOrUruguayMember" id="nm_FreightCarriedBetweenParaguayArgentinaBoliviaBrazilOrUruguayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FundedFromSeniorLoanMember" id="nm_FundedFromSeniorLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FundingCommitmentMember" id="nm_FundingCommitmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FurnitureFixtureAndEquipmentMember" id="nm_FurnitureFixtureAndEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="FurtherExtendedCharterHireAgreementIIMember" id="nm_FurtherExtendedCharterHireAgreementIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FurtherExtendedCharterHireAgreementMember" id="nm_FurtherExtendedCharterHireAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FutureMinimumRevenueNetOfCommissionsTableTextBlock" id="nm_FutureMinimumRevenueNetOfCommissionsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="GainLossFromWriteOffOfIntangible" id="nm_GainLossFromWriteOffOfIntangible" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="GainsLossesOnExtinguishmentOfDebtDueToAcceleratedAmortizationOfFinanceCosts" id="nm_GainsLossesOnExtinguishmentOfDebtDueToAcceleratedAmortizationOfFinanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="GainsLossesOnExtinguishmentOfDebtDueToPaymentsForFeesAndExpenses" id="nm_GainsLossesOnExtinguishmentOfDebtDueToPaymentsForFeesAndExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="GeneralAndAdministrativeFees" id="nm_GeneralAndAdministrativeFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="GeneralPartnersCapitalAccountUnitsOffered" id="nm_GeneralPartnersCapitalAccountUnitsOffered" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="GingerServicesCoMember" id="nm_GingerServicesCoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="GoldlandEmeraldAnonimosEteriaMember" id="nm_GoldlandEmeraldAnonimosEteriaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HeraklesShippingCorporationMember" id="nm_HeraklesShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HestiaShippingLtdMember" id="nm_HestiaShippingLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HidronaveMember" id="nm_HidronaveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HighbirdManagementIncMember" id="nm_HighbirdManagementIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HiosShippingCorporationMember" id="nm_HiosShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HiredVesselsInOperationMember" id="nm_HiredVesselsInOperationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HorizonShippingEnterprisesCorporationMember" id="nm_HorizonShippingEnterprisesCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="HshNordbankCommerzbankMember" id="nm_HshNordbankCommerzbankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="IncreaseDecreaseInDueFromAffiliatesReceivableLongTerm" id="nm_IncreaseDecreaseInDueFromAffiliatesReceivableLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="IndebtednessInConnectionWithSixVesselsAddedAsCollateralMember" id="nm_IndebtednessInConnectionWithSixVesselsAddedAsCollateralMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="InsuranceClaimsPolicyTextBlock" id="nm_InsuranceClaimsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="InsuranceRestructuringMember" id="nm_InsuranceRestructuringMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="InterestDebtExpenseInvestmentIncome" id="nm_InterestDebtExpenseInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="InterestExpenseAndFinanceCostAbstract" id="nm_InterestExpenseAndFinanceCostAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="InterestExpenseAndFinanceCostTableTextBlock" id="nm_InterestExpenseAndFinanceCostTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="InvestmentInCommonStockShares" id="nm_InvestmentInCommonStockShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="InvestmentsInRelatedPartiesFairValuePeriodIncreaseDecrease" id="nm_InvestmentsInRelatedPartiesFairValuePeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="InvestmentsInSubsidiaries" id="nm_InvestmentsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="IonianShippingCorporationMember" id="nm_IonianShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="IrisShippingCorporationMember" id="nm_IrisShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="JasmineShippingCorporationMember" id="nm_JasmineShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KlcSharesEarlyRepaymentMember" id="nm_KlcSharesEarlyRepaymentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KleimarLtdMember" id="nm_KleimarLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KleimarNvMember" id="nm_KleimarNvMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KohyliaShipmanagementIncMember" id="nm_KohyliaShipmanagementIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KoreaLineAndPanOceanMember" id="nm_KoreaLineAndPanOceanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KoreaLineCorporationMember" id="nm_KoreaLineCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="KyprosShippingCorporationMember" id="nm_KyprosShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="LavenderShippingCorporationMember" id="nm_LavenderShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="LeaseTerm" id="nm_LeaseTerm" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LineCreditFacilityArrangementFees" id="nm_LineCreditFacilityArrangementFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="LineOfCreditFacilityNumberOfRepaymentInstallment" id="nm_LineOfCreditFacilityNumberOfRepaymentInstallment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LoanAmountPerTrancheCopy" id="nm_LoanAmountPerTrancheCopy" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="LoanFacilityCreditAgricoleMember" id="nm_LoanFacilityCreditAgricoleMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LoanFacilityDVB40KMember" id="nm_LoanFacilityDVB40KMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LoanFacilityHshNordbankCommerzbankMember" id="nm_LoanFacilityHshNordbankCommerzbankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="LoansLeasesReceivableRelatedPartiesFairValueDisclosure" id="nm_LoansLeasesReceivableRelatedPartiesFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="LoansPayableToBankFairValueDisclosure" id="nm_LoansPayableToBankFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="LogisticBusinessMember" id="nm_LogisticBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LogisticsBusiness2Member" id="nm_LogisticsBusiness2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LogisticsBusinessMember" id="nm_LogisticsBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="LongTermDebtCurrentIncludingDebtIssuanceCostsCurrent" id="nm_LongTermDebtCurrentIncludingDebtIssuanceCostsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="LongTermDebtMaturitiesRepaymentsOfPrincipalFiscalYearDeferredTo" id="nm_LongTermDebtMaturitiesRepaymentsOfPrincipalFiscalYearDeferredTo" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonthsAmountDeferred" id="nm_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonthsAmountDeferred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="LongTermPayableToAffiliateCompaniesFairValueDisclosure" id="nm_LongTermPayableToAffiliateCompaniesFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="Lr1ProductTankerMember" id="nm_Lr1ProductTankerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="MR2AndLR1AndVLCCMember" id="nm_MR2AndLR1AndVLCCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="MagellanShippingCorporationMember" id="nm_MagellanShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ManagementAgreementMember" id="nm_ManagementAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ManagementAgreementTermInYears" id="nm_ManagementAgreementTermInYears" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ManagementFeeAnnualRate" id="nm_ManagementFeeAnnualRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="ManagementFeeDailyRate" id="nm_ManagementFeeDailyRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="MandoraShippingLtdMember" id="nm_MandoraShippingLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="MauveInternationalSaMember" id="nm_MauveInternationalSaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="MaximumDividendPercentage" id="nm_MaximumDividendPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="MercatorShippingCorporationMember" id="nm_MercatorShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="MergeSubsidiariesNaviosLogisticsMember" id="nm_MergeSubsidiariesNaviosLogisticsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="MeridianShippingEnterprisesIncMember" id="nm_MeridianShippingEnterprisesIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="MinimumAmountOfImportedCurrencyForAnnualContribution" id="nm_MinimumAmountOfImportedCurrencyForAnnualContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="MotivaTradingLtdMember" id="nm_MotivaTradingLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThalassaMarineSaMember" id="nm_ThalassaMarineSaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="Mr2ProductTankerChemicalTankerMember" id="nm_Mr2ProductTankerChemicalTankerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="Mr2ProductTankerMember" id="nm_Mr2ProductTankerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NavHoldingsLimitedMember" id="nm_NavHoldingsLimitedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NavimaxCorporationMember" id="nm_NavimaxCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisition3Member" id="nm_NaviosAcquisition3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisition4Member" id="nm_NaviosAcquisition4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisition6Member" id="nm_NaviosAcquisition6Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisitionConsolidatedMember" id="nm_NaviosAcquisitionConsolidatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisitionAgreementMember" id="nm_NaviosAcquisitionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisitionLoanMember" id="nm_NaviosAcquisitionLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAcquisitionMember" id="nm_NaviosAcquisitionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAldebaranMember" id="nm_NaviosAldebaranMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAmalthiaMember" id="nm_NaviosAmalthiaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAmitieMember" id="nm_NaviosAmitieMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosApollonMember" id="nm_NaviosApollonMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAsia1Member" id="nm_NaviosAsia1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAsia4Member" id="nm_NaviosAsia4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAsiaLlcMember" id="nm_NaviosAsiaLlcMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAsiaLoanMember" id="nm_NaviosAsiaLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAsiaMember" id="nm_NaviosAsiaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosAviorMember" id="nm_NaviosAviorMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosBonanzaMember" id="nm_NaviosBonanzaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosBuenaVenturaMember" id="nm_NaviosBuenaVenturaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosCentaurusMember" id="nm_NaviosCentaurusMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosCorporationMember" id="nm_NaviosCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEurope1Member" id="nm_NaviosEurope1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeConsolidatedMember" id="nm_NaviosEuropeConsolidatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEurope2Member" id="nm_NaviosEurope2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEurope3Member" id="nm_NaviosEurope3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeAgreementIIMember" id="nm_NaviosEuropeAgreementIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeAgreementMember" id="nm_NaviosEuropeAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeII2Member" id="nm_NaviosEuropeII2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeIIConsolidatedMember" id="nm_NaviosEuropeIIConsolidatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeII3Member" id="nm_NaviosEuropeII3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeIIMember" id="nm_NaviosEuropeIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosEuropeMember" id="nm_NaviosEuropeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosFantastiksMember" id="nm_NaviosFantastiksMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosFelicityMember" id="nm_NaviosFelicityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosFulviaMember" id="nm_NaviosFulviaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosGalileoAmitieTaurusNorthernStarMember" id="nm_NaviosGalileoAmitieTaurusNorthernStarMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosGalileoMember" id="nm_NaviosGalileoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosGemMember" id="nm_NaviosGemMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosGeminiMember" id="nm_NaviosGeminiMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosGpLlcMember" id="nm_NaviosGpLlcMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHandybulkIncMember" id="nm_NaviosHandybulkIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHolding10Member" id="nm_NaviosHolding10Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldings3Member" id="nm_NaviosHoldings3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldings4Member" id="nm_NaviosHoldings4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldings5Member" id="nm_NaviosHoldings5Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsAcquisitionPartnersMember" id="nm_NaviosHoldingsAcquisitionPartnersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsAcquisitionsPartnersMember" id="nm_NaviosHoldingsAcquisitionsPartnersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsDebtMember" id="nm_NaviosHoldingsDebtMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsEuropeFinanceIncMember" id="nm_NaviosHoldingsEuropeFinanceIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsMaximumPotentialLossMember" id="nm_NaviosHoldingsMaximumPotentialLossMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsMember" id="nm_NaviosHoldingsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsConsolidatedMember" id="nm_NaviosHoldingsConsolidatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsPrincipalPayments2015Member" id="nm_NaviosHoldingsPrincipalPayments2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsPrincipalPayments2016Member" id="nm_NaviosHoldingsPrincipalPayments2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsSeriesGMember" id="nm_NaviosHoldingsSeriesGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHoldingsSeriesHMember" id="nm_NaviosHoldingsSeriesHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHopeMember" id="nm_NaviosHopeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosInternationalIncMember" id="nm_NaviosInternationalIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosIonianMember" id="nm_NaviosIonianMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SecondJapaneseBulkCarrierMember" id="nm_SecondJapaneseBulkCarrierMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="JapaneseBulkCarriersMember" id="nm_JapaneseBulkCarriersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosHorizonMember" id="nm_NaviosHorizonMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLibraMember" id="nm_NaviosLibraMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogistics1Member" id="nm_NaviosLogistics1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogisticsAgreementMember" id="nm_NaviosLogisticsAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogisticsBBVALoanFacilityMember" id="nm_NaviosLogisticsBBVALoanFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogisticsCommitmentsMember" id="nm_NaviosLogisticsCommitmentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogisticsMember" id="nm_NaviosLogisticsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogisticsSubsidiaryMember" id="nm_NaviosLogisticsSubsidiaryMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLogisticsConsolidatedMember" id="nm_NaviosLogisticsConsolidatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLuzMember" id="nm_NaviosLuzMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLuzNaviosOrbiter2Member" id="nm_NaviosLuzNaviosOrbiter2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosLuzNaviosOrbiterMember" id="nm_NaviosLuzNaviosOrbiterMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMIdstreamMidstreamPartnersLPMember" id="nm_NaviosMIdstreamMidstreamPartnersLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMaritimeAcqusitionCorporationMember" id="nm_NaviosMaritimeAcqusitionCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMaritimeFinanceIiUsIncMember" id="nm_NaviosMaritimeFinanceIiUsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMaritimeFinanceUsIncMember" id="nm_NaviosMaritimeFinanceUsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMaritimeHoldingsIncMember" id="nm_NaviosMaritimeHoldingsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMaritimePartnersLPMember" id="nm_NaviosMaritimePartnersLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMarsMember" id="nm_NaviosMarsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMelodia1Member" id="nm_NaviosMelodia1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMidstreamAgreementMember" id="nm_NaviosMidstreamAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMidstreamMember" id="nm_NaviosMidstreamMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMidstreamRelatedPartyMember" id="nm_NaviosMidstreamRelatedPartyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosMidstreamVlccMember" id="nm_NaviosMidstreamVlccMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosNorthernStarMember" id="nm_NaviosNorthernStarMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartners2Member" id="nm_NaviosPartners2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartners3Member" id="nm_NaviosPartners3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartners4Member" id="nm_NaviosPartners4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersConsolidatedMember" id="nm_NaviosPartnersConsolidatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersAgreementMember" id="nm_NaviosPartnersAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersGrossProceedsMember" id="nm_NaviosPartnersGrossProceedsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersMember" id="nm_NaviosPartnersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersPrivatePlacementMember" id="nm_NaviosPartnersPrivatePlacementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersRelatedPartyMember" id="nm_NaviosPartnersRelatedPartyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersUnderwritersOptionMember" id="nm_NaviosPartnersUnderwritersOptionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPartnersfortheNaviosGeminiNaviosHyperionNaviosSoleilNaviosHarmonyNaviosOrbiterNaviosFantastiksNaviosAlegriaNaviosPolluxandNaviosSunMember" id="nm_NaviosPartnersfortheNaviosGeminiNaviosHyperionNaviosSoleilNaviosHarmonyNaviosOrbiterNaviosFantastiksNaviosAlegriaNaviosPolluxandNaviosSunMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosPolluxMember" id="nm_NaviosPolluxMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosProsperityMember" id="nm_NaviosProsperityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosRayMember" id="nm_NaviosRayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosRevolvingAndTermLoansMember" id="nm_NaviosRevolvingAndTermLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosRevolvingLoans2Member" id="nm_NaviosRevolvingLoans2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosRevolvingLoansMember" id="nm_NaviosRevolvingLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosSerenityMember" id="nm_NaviosSerenityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosShipmanagementIncMember" id="nm_NaviosShipmanagementIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosSouthAmericanLogisticsIncMember" id="nm_NaviosSouthAmericanLogisticsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosSpheraAndNaviosMarsMember" id="nm_NaviosSpheraAndNaviosMarsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosSpheraMember" id="nm_NaviosSpheraMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosSunAndNaviosOrbiterAndNaviosSoleilAndNaviosAlegriaAndNaviosHarmonyAndNaviosHyperionMember" id="nm_NaviosSunAndNaviosOrbiterAndNaviosSoleilAndNaviosAlegriaAndNaviosHarmonyAndNaviosHyperionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosTankersManagementIncMember" id="nm_NaviosTankersManagementIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosTaurusMember" id="nm_NaviosTaurusMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosTermLoansIIMember" id="nm_NaviosTermLoansIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosTermLoansMember" id="nm_NaviosTermLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NetBookValueMember" id="nm_NetBookValueMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NetIncomeIncludingPreferredStockDividendsOfSubsidiaryAndAttributableToNoncontrollingInterest" id="nm_NetIncomeIncludingPreferredStockDividendsOfSubsidiaryAndAttributableToNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" id="nm_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="NewCapesizeNewPanamaxVesselsMember" id="nm_NewCapesizeNewPanamaxVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewCapesizeVesselMember" id="nm_NewCapesizeVesselMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewCharterHireAgreement2Member" id="nm_NewCharterHireAgreement2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewCharterHireAgreementMember" id="nm_NewCharterHireAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewJuniorLoanIIMember" id="nm_NewJuniorLoanIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewJuniorLoanMember" id="nm_NewJuniorLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewPanamaxVesselMember" id="nm_NewPanamaxVesselMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewbuildingProgramDryBargesMember" id="nm_NewbuildingProgramDryBargesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NewbuildingVesselsMember" id="nm_NewbuildingVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NineVesselsMember" id="nm_NineVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NonCashOrPartNonCashForInvestmentsInAvailableForSaleSecurities" id="nm_NonCashOrPartNonCashForInvestmentsInAvailableForSaleSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="NonWhollyOwnedSubsidiaryIndebtednessMember" id="nm_NonWhollyOwnedSubsidiaryIndebtednessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NostosShipmanagementCorpMember" id="nm_NostosShipmanagementCorpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NotesPayableMember" id="nm_NotesPayableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NotesPayableRelatedPartiesNoncurrentFairValueDisclosure" id="nm_NotesPayableRelatedPartiesNoncurrentFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="NovationAgreementDateOfAgreement" id="nm_NovationAgreementDateOfAgreement" type="xbrli:dateItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NovationAgreementMember" id="nm_NovationAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NsalOtherLoansMember" id="nm_NsalOtherLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NumberOfCancellatedTranches" id="nm_NumberOfCancellatedTranches" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="NumberOfLoanTranches" id="nm_NumberOfLoanTranches" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="NumberOfVesselsAcquired" id="nm_NumberOfVesselsAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NumberOfVesselsUnderConstruction" id="nm_NumberOfVesselsUnderConstruction" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="NumberVestedSharesMember" id="nm_NumberVestedSharesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="OceanGoingVesselMember" id="nm_OceanGoingVesselMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="OneVesselHeldAndUsedMember" id="nm_OneVesselHeldAndUsedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="OffMarketLeaseAmortizationIncomeAfterYearFive" id="nm_OffMarketLeaseAmortizationIncomeAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseAmortizationIncomeNextTwelveMonths" id="nm_OffMarketLeaseAmortizationIncomeNextTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseAmortizationIncomeYearFive" id="nm_OffMarketLeaseAmortizationIncomeYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseAmortizationIncomeYearFour" id="nm_OffMarketLeaseAmortizationIncomeYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseAmortizationIncomeYearThree" id="nm_OffMarketLeaseAmortizationIncomeYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseAmortizationIncomeYearTwo" id="nm_OffMarketLeaseAmortizationIncomeYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseNet" id="nm_OffMarketLeaseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="OffMarketLeaseUnfavorableNet" id="nm_OffMarketLeaseUnfavorableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="OptionAgreementPercentageInterests" id="nm_OptionAgreementPercentageInterests" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="OptionsAbstract" id="nm_OptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="OptionsIncomeTaxLiabilities" id="nm_OptionsIncomeTaxLiabilities" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="OtherFixedAssetsTableTextBlock" id="nm_OtherFixedAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="OtherLongTermAssetsIncludingDeferredCosts" id="nm_OtherLongTermAssetsIncludingDeferredCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="OtherRegionsMember" id="nm_OtherRegionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="OwnershipPercentageDefaultTriggerThreshold" id="nm_OwnershipPercentageDefaultTriggerThreshold" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PanOceanCoLtdMember" id="nm_PanOceanCoLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PanamaxMember" id="nm_PanamaxMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ParaguayMember" id="nm_ParaguayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PensionAndOtherPostretirementPlansMember" id="nm_PensionAndOtherPostretirementPlansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PercentageForCalculationOfMakeWholePrice" id="nm_PercentageForCalculationOfMakeWholePrice" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PercentageOfPreferredStockConverted" id="nm_PercentageOfPreferredStockConverted" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PerformanceConditionMember" id="nm_PerformanceConditionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PeriodReviewSpecialCostsAssets" id="nm_PeriodReviewSpecialCostsAssets" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PharosNavigationSaMember" id="nm_PharosNavigationSaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PoolingArrangementsMember" id="nm_PoolingArrangementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PortFacilitiesAndTransferStationMember" id="nm_PortFacilitiesAndTransferStationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PortFacilitiesTransferStationMember" id="nm_PortFacilitiesTransferStationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PortTerminalsTableTextBlock" id="nm_PortTerminalsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PortorosaMarineCorpMember" id="nm_PortorosaMarineCorpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PreferredDistributionPercentage" id="nm_PreferredDistributionPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PreferredStockRedemptionInPeriodAmount" id="nm_PreferredStockRedemptionInPeriodAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="ForTheYear2018Member" id="nm_ForTheYear2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="From2019OnwardsMember" id="nm_From2019OnwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FromJanuary2018Member" id="nm_FromJanuary2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PreferredStockRedemptionPeriodOne2Member" id="nm_PreferredStockRedemptionPeriodOne2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PreferredStockRedemptionPeriodOneMember" id="nm_PreferredStockRedemptionPeriodOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PrepaidExpensesForWorkingCapitalPurposes" id="nm_PrepaidExpensesForWorkingCapitalPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="PrepaidExpensesOtherCurrentAssetsIncludingInvetories" id="nm_PrepaidExpensesOtherCurrentAssetsIncludingInvetories" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="PrimaveraShippingCorporationMember" id="nm_PrimaveraShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ProceedsFromLongTermLoansNetFinanceCosts" id="nm_ProceedsFromLongTermLoansNetFinanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ProfitSharingArrangementTextBlock" id="nm_ProfitSharingArrangementTextBlock" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ProfitSharingPercentageAllocationBasedOnEarnings" id="nm_ProfitSharingPercentageAllocationBasedOnEarnings" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="PropertyPlantEquipmentWriteOffDepreciation" id="nm_PropertyPlantEquipmentWriteOffDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ProvisionForDoubtfulAccountsGross" id="nm_ProvisionForDoubtfulAccountsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="PuebloHoldingsLtdMember" id="nm_PuebloHoldingsLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PushBoatsAndBargesMember" id="nm_PushBoatsAndBargesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="QuenaShipmanagementIncMember" id="nm_QuenaShipmanagementIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RawlinServicesCoMember" id="nm_RawlinServicesCoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ReclassificationMember" id="nm_ReclassificationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RedRoseShippingCorpMember" id="nm_RedRoseShippingCorpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RedeemablePreferredStockDividendsAddBack" id="nm_RedeemablePreferredStockDividendsAddBack" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RedemptionUsingNetProceedsOfEquityOfferingMember" id="nm_RedemptionUsingNetProceedsOfEquityOfferingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ReimbursementPeriodForAllActualOperatingCostsExpenses" id="nm_ReimbursementPeriodForAllActualOperatingCostsExpenses" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="RelatedPartyTerminationTransactionDate" id="nm_RelatedPartyTerminationTransactionDate" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="RemainingNonControllingInterestPercentageAcquired" id="nm_RemainingNonControllingInterestPercentageAcquired" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="RepaymentsOfDebtExcludingFutureInstallments" id="nm_RepaymentsOfDebtExcludingFutureInstallments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RepaymentsOfDebtOfFutureBalloonPayments" id="nm_RepaymentsOfDebtOfFutureBalloonPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RepaymentsOfDebtOfFutureInstallments" id="nm_RepaymentsOfDebtOfFutureInstallments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RestrictedCashAndCashEquivalentsCashAndCashEquivalentsDomain" id="nm_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RestrictedCashCashEquivalentsFairValueDisclosure" id="nm_RestrictedCashCashEquivalentsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="RestrictedStockRestrictedStockUnitsAbstract" id="nm_RestrictedStockRestrictedStockUnitsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RestrictedStockUnitsNumber" id="nm_RestrictedStockUnitsNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="RestructureCapitalLeaseFixedAssets" id="nm_RestructureCapitalLeaseFixedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RetentionAccountsMember" id="nm_RetentionAccountsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RevaluationOfVesselsDueToRestructuringOfCapitalLeaseObligation" id="nm_RevaluationOfVesselsDueToRestructuringOfCapitalLeaseObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RevenuesNetExpensesPoolingArrangements" id="nm_RevenuesNetExpensesPoolingArrangements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="RevolverCreditFacilityMember" id="nm_RevolverCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RevolverFacilityHshNordbankCommerzbankMember" id="nm_RevolverFacilityHshNordbankCommerzbankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RevolvingCreditFacilityMaximumBorrowingCapacity" id="nm_RevolvingCreditFacilityMaximumBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="RheiaAssociatesCoMember" id="nm_RheiaAssociatesCoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RiverAndEstuaryTankerMember" id="nm_RiverAndEstuaryTankerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RoseliteShippingCorporationMember" id="nm_RoseliteShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RowboatMarineIncMember" id="nm_RowboatMarineIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="RumerHoldingLtdMember" id="nm_RumerHoldingLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SalePriceContractualAgreementNet" id="nm_SalePriceContractualAgreementNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="SaleStockCorrespondingDescription" id="nm_SaleStockCorrespondingDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SanSanHMember" id="nm_SanSanHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ScrapValueVesselsPerLwt" id="nm_ScrapValueVesselsPerLwt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="Second-handBunkerVesselMember" id="nm_Second-handBunkerVesselMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SecondYearCharterHireAgreementMember" id="nm_SecondYearCharterHireAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorLoan2Member" id="nm_SeniorLoan2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorLoanIIMember" id="nm_SeniorLoanIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorLoanMember" id="nm_SeniorLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorLongTermNotesFairValueDisclosure" id="nm_SeniorLongTermNotesFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="SeniorNotes2022Member" id="nm_SeniorNotes2022Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorSecuredNotesMember" id="nm_SeniorSecuredNotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorNotes2Member" id="nm_SeniorNotes2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SerenityShippingMember" id="nm_SerenityShippingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeriesGAndSeriesHADSExchangeOfferMember" id="nm_SeriesGAndSeriesHADSExchangeOfferMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeriesGAndSeriesHExchangeOfferMember" id="nm_SeriesGAndSeriesHExchangeOfferMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeriesGMember" id="nm_SeriesGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeriesHMember" id="nm_SeriesHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ServiceConditionsMember" id="nm_ServiceConditionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodTotalFairValue" id="nm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodTotalFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue" id="nm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonVestedInPeriodTotalFairValue" id="nm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonVestedInPeriodTotalFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedOrExpiredInPeriodTotalIntrinsicValue" id="nm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedOrExpiredInPeriodTotalIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedInPeriodTotalIntrinsicValue" id="nm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedInPeriodTotalIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresOrExpirations" id="nm_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresOrExpirations" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SharePurchaseAgreementNaviosPartnersMember" id="nm_SharePurchaseAgreementNaviosPartnersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ShareRepurchaseProgramMember" id="nm_ShareRepurchaseProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SharesExchangedAggregateBookValue" id="nm_SharesExchangedAggregateBookValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="SharesExchangedAggregateNominalValue" id="nm_SharesExchangedAggregateNominalValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="ShikharVenturesSaMember" id="nm_ShikharVenturesSaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ShipMortgageSeniorNotesMember" id="nm_ShipMortgageSeniorNotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SeniorSecuredNotes2Member" id="nm_SeniorSecuredNotes2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ShipbuilderMember" id="nm_ShipbuilderMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ShippingReportingUnitMember" id="nm_ShippingReportingUnitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SizzlingVenturesIncMember" id="nm_SizzlingVenturesIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SmaltiteShippingCorporationMember" id="nm_SmaltiteShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SolangeShippingLtdMember" id="nm_SolangeShippingLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StarMaritimeEnterprisesCorporationMember" id="nm_StarMaritimeEnterprisesCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StatementOfOperationsAbstract" id="nm_StatementOfOperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StatementOfOperationsCurrentYear" id="nm_StatementOfOperationsCurrentYear" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="StatementOfOperationsPreviousYear" id="nm_StatementOfOperationsPreviousYear" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="StatementOfOperationsYearMinus2" id="nm_StatementOfOperationsYearMinus2" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="StockForStockExchangeRatio" id="nm_StockForStockExchangeRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="StockIssued1Member" id="nm_StockIssued1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StockIssued2Member" id="nm_StockIssued2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StockIssued3Member" id="nm_StockIssued3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StockIssued4Member" id="nm_StockIssued4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="StockIssuedDuringPeriodUnitsShareBasedPaymentAwardOptionsGrantsInPeriodGross" id="nm_StockIssuedDuringPeriodUnitsShareBasedPaymentAwardOptionsGrantsInPeriodGross" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="StockforStockExchangeOfferMember" id="nm_StockforStockExchangeOfferMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SubordinatedUnitsMember" id="nm_SubordinatedUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SubordinatedUnitsSeriesAMember" id="nm_SubordinatedUnitsSeriesAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SubsidiaryOwnershipPercentage" id="nm_SubsidiaryOwnershipPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <element name="SummaryFinancialInformationBalanceSheetAffiliatedCompaniesTableTextBlock" id="nm_SummaryFinancialInformationBalanceSheetAffiliatedCompaniesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SummaryFinancialInformationIncomeStatementAffiliatedCompaniesTableTextBlock" id="nm_SummaryFinancialInformationIncomeStatementAffiliatedCompaniesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SynergyMarineMember" id="nm_SynergyMarineMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TaharqaSpiritCorpMember" id="nm_TaharqaSpiritCorpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankBarge1Member" id="nm_TankBarge1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankBarge2Member" id="nm_TankBarge2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankBarge3Member" id="nm_TankBarge3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankBarge4Member" id="nm_TankBarge4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankerVesselsBargesAndPushBoatsMember" id="nm_TankerVesselsBargesAndPushBoatsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankerVesselsBargesAndPushboatsMember" id="nm_TankerVesselsBargesAndPushboatsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TankerVesselsBargesPushBoatsTableTextBlock" id="nm_TankerVesselsBargesPushBoatsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TankerVesselsMember" id="nm_TankerVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TankerVesselsTablesTextBlock" id="nm_TankerVesselsTablesTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TenVesselsMember" id="nm_TenVesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThereafterOfFirstOnePointFiveMillionsMember" id="nm_ThereafterOfFirstOnePointFiveMillionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThereafterOfFirstTwoPointFiveMillionsMember" id="nm_ThereafterOfFirstTwoPointFiveMillionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThirtysixDryBargesMember" id="nm_ThirtysixDryBargesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThreeNewPushboatsMember" id="nm_ThreeNewPushboatsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThreePushboats1Member" id="nm_ThreePushboats1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ThreePushboatsMember" id="nm_ThreePushboatsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TotalConsolidationMember" id="nm_TotalConsolidationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TotalFairValueInputLevelsMember" id="nm_TotalFairValueInputLevelsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TotalIntangibleAssetsIncludingUnfavorableLeaseTermsMember" id="nm_TotalIntangibleAssetsIncludingUnfavorableLeaseTermsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TotalIntangibleAssetsMember" id="nm_TotalIntangibleAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TotalIntangiblesAssetsAmortization" id="nm_TotalIntangiblesAssetsAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <element name="TotalLoansMember" id="nm_TotalLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TotalNaviosLogisticsLoansMember" id="nm_TotalNaviosLogisticsLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="Tranche3Member" id="nm_Tranche3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TrancheBMember" id="nm_TrancheBMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TrancheCMember" id="nm_TrancheCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TrancheDMember" id="nm_TrancheDMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TrancheMember" id="nm_TrancheMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TransactionFeesExpenseMember" id="nm_TransactionFeesExpenseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TransfersBetweenSubsidiaries" id="nm_TransfersBetweenSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="TreasuryStockPolicyTextBlock" id="nm_TreasuryStockPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="TriangleShippingCorporationMember" id="nm_TriangleShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TulsiShipmanagementCoMember" id="nm_TulsiShipmanagementCoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TwoCompanies1Member" id="nm_TwoCompanies1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TwoCompaniesMember" id="nm_TwoCompaniesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="UltraHandymaxMember" id="nm_UltraHandymaxMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="UltraHandymaxPanamaxCapesizeMember" id="nm_UltraHandymaxPanamaxCapesizeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="UnamortizedPortionOfFavorableLeaseTerm" id="nm_UnamortizedPortionOfFavorableLeaseTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="UndeclaredPreferredDividends" id="nm_UndeclaredPreferredDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="UnfavorableLeaseTerms1Member" id="nm_UnfavorableLeaseTerms1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="UnfavorableLeaseTermsMember" id="nm_UnfavorableLeaseTermsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="UnrealizedGainLossOnFfaDerivatives" id="nm_UnrealizedGainLossOnFfaDerivatives" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="UponOccurrenceOfCertainChangeOfControlEventsMember" id="nm_UponOccurrenceOfCertainChangeOfControlEventsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="UtilizationRateFleet" id="nm_UtilizationRateFleet" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="ValeMember" id="nm_ValeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VectorShippingCorporationMember" id="nm_VectorShippingCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VesselAcquisitionCost" id="nm_VesselAcquisitionCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="VesselCapacity" id="nm_VesselCapacity" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="VesselType" id="nm_VesselType" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="VesselYearBuilt" id="nm_VesselYearBuilt" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="Vessels2Member" id="nm_Vessels2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="VesselsMember" id="nm_VesselsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VesselsPortTerminalsAndOtherFixedAssetsMember" id="nm_VesselsPortTerminalsAndOtherFixedAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VesselsPortTerminalsTankerVesselsBargesPushBoatsOtherFixedAssetsTableTextBlock" id="nm_VesselsPortTerminalsTankerVesselsBargesPushBoatsOtherFixedAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="VitolSAMember" id="nm_VitolSAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VlccAcquisition2Member" id="nm_VlccAcquisition2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="VlccMember" id="nm_VlccMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="VoyageExpenses" id="nm_VoyageExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="WeightedAverageExercisePriceMember" id="nm_WeightedAverageExercisePriceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="WeightedAverageRemainingTermMember" id="nm_WeightedAverageRemainingTermMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="WhiteNarcissusMarineSaMember" id="nm_WhiteNarcissusMarineSaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="WithinOtherExpenseMember" id="nm_WithinOtherExpenseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="WithinOtherIncomeMember" id="nm_WithinOtherIncomeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="WorkingCapitalAcquired" id="nm_WorkingCapitalAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="YearBuilt" id="nm_YearBuilt" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosContainersIIMember" id="nm_NaviosContainersIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosContainersIIIMember" id="nm_NaviosContainersIIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="AutomaticExtensionOfManagementAgreementMember" id="nm_AutomaticExtensionOfManagementAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosContainersAgreementMember" id="nm_NaviosContainersAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosContainersAutomaticExtensionAgreementMember" id="nm_NaviosContainersAutomaticExtensionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PaymentsOfDividendsNoncontrollingShareholders" id="nm_PaymentsOfDividendsNoncontrollingShareholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="IncreaseDecreaseInInterestPayableOnLoanToAffiliate" id="nm_IncreaseDecreaseInInterestPayableOnLoanToAffiliate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="IncreaseDecreaseInInterestPayableToAffiliate" id="nm_IncreaseDecreaseInInterestPayableToAffiliate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="AlphaMeritCorporationMember" id="nm_AlphaMeritCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="TaxReformMember" id="nm_TaxReformMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="AccumulatedDepreciationDepletionAndAmortizationImpairmentLossOfPropertyPlantAndEquipment" id="nm_AccumulatedDepreciationDepletionAndAmortizationImpairmentLossOfPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="CapitalizedCostImpairmentLoss" id="nm_CapitalizedCostImpairmentLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <element name="CoversForDryBargesMember" id="nm_CoversForDryBargesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ConsiderationEquityComponent" id="nm_ConsiderationEquityComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <element name="NaviosRevolvingLoansITransferMember" id="nm_NaviosRevolvingLoansITransferMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="NaviosContainersIMember" id="nm_NaviosContainersIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SeveranceAndRetirementCompensationPlanMember" id="nm_SeveranceAndRetirementCompensationPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtInstrumentIssuancePricePercentage" id="nm_DebtInstrumentIssuancePricePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="FromSecondToNinthInstallmentMember" id="nm_FromSecondToNinthInstallmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ExtendedMaturity1Member" id="nm_ExtendedMaturity1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ExtendedMaturity2Member" id="nm_ExtendedMaturity2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="ValueToLoanRatio" id="nm_ValueToLoanRatio" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="NetTotalDebtToAssets" id="nm_NetTotalDebtToAssets" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="CovenantsWaivedUpToFourQuartersMember" id="nm_CovenantsWaivedUpToFourQuartersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="DebtAmortizationPercentage" id="nm_DebtAmortizationPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SecuredCreditFacilitiesOneFacilityMember" id="nm_SecuredCreditFacilitiesOneFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SecuredNotesOneNoteMember" id="nm_SecuredNotesOneNoteMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FirstJapaneseBulkCarrierMember" id="nm_FirstJapaneseBulkCarrierMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FirstInstallmentMember" id="nm_FirstInstallmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FutureLeasePaymentsMember" id="nm_FutureLeasePaymentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="IncreaseDecreasePercentageOfPreferredStockDividendRate" id="nm_IncreaseDecreasePercentageOfPreferredStockDividendRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <element name="SeriesGAndSeriesHMember" id="nm_SeriesGAndSeriesHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="FirstConversionMember" id="nm_FirstConversionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="SecondConversionMember" id="nm_SecondConversionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="BulkCarrierVesselMember" id="nm_BulkCarrierVesselMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="PreferredStockValueNetOfFees" id="nm_PreferredStockValueNetOfFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <element name="FirstPriorityShipMortgageNotesMember" id="nm_FirstPriorityShipMortgageNotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <element name="AmericanDepositarySharesExchangeOfferMember" id="nm_AmericanDepositarySharesExchangeOfferMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
</schema>
