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<!-- Creation Date : 2021-04-28T15:24:59.7721836+00:00 --> |
<!-- Version : 5.0.1.615 --> |
<!-- Package ID : 9beb872ff0054d2789e944433cfe9c4b --> |
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. --> |
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| | <link:loc xlink:href="nov-20210331.xsd#nov_OffshoreDestinationMember" xlink:type="locator" xlink:label="nov_OffshoreDestinationMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LandDestinationMember" xlink:type="locator" xlink:label="nov_LandDestinationMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_InternationalMember" xlink:type="locator" xlink:label="nov_InternationalMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_NorthAmericaMember" xlink:type="locator" xlink:label="srt_NorthAmericaMember"/> |
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| | <link:loc xlink:href="nov-20210331.xsd#nov_LandAndOffshoreMember" xlink:type="locator" xlink:label="nov_LandAndOffshoreMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_ContinentalMember" xlink:type="locator" xlink:label="nov_ContinentalMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsegmentsDomain" xlink:type="locator" xlink:label="us-gaap_SubsegmentsDomain"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsegmentsDomain" xlink:to="nov_ContinentalMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsegmentsDomain" xlink:to="nov_LandAndOffshoreMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="srt_StatementGeographicalAxis" order="10030.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="srt_NorthAmericaMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="nov_InternationalMember" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="nov_OffshoreDestinationMember" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="nov_WellboreTechnologiesMember" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiability"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerAssetNet_li0l2"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_ContractWithCustomerLiabilityRevenueRecognizedIncludingAdditions" xlink:type="locator" xlink:label="nov_ContractWithCustomerLiabilityRevenueRecognizedIncludingAdditions"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_ContractWithCustomerAssetIncreaseDecreaseProvision" xlink:type="locator" xlink:label="nov_ContractWithCustomerAssetIncreaseDecreaseProvision"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerAssetNet"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerAssetNet" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="nov_ContractWithCustomerAssetIncreaseDecreaseProvision" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="nov_ContractWithCustomerLiabilityRevenueRecognizedIncludingAdditions" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerAssetNet_li0l2" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerLiability" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="nov_ContractWithCustomerLiabilitiesIncreaseDecreaseProvision" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerAssetReclassifiedToReceivable" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice" order="10610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_ContractWithCustomerLiability_li0l2" order="10670.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureLeasesScheduleOfComponentsOfLeasesDetail" xlink:href="nov-20210331.xsd#Role_DisclosureLeasesScheduleOfComponentsOfLeasesDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureLeasesScheduleOfComponentsOfLeasesDetail"> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LeaseLiabilitiesNonCurrent" xlink:type="locator" xlink:label="nov_LeaseLiabilitiesNonCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LongTermPortionOfLeaseLiabilitiesAbstract" xlink:type="locator" xlink:label="nov_LongTermPortionOfLeaseLiabilitiesAbstract"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LeaseLiabilitiesCurrent" xlink:type="locator" xlink:label="nov_LeaseLiabilitiesCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_CurrentPortionOfLeaseLiabilitiesAbstract" xlink:type="locator" xlink:label="nov_CurrentPortionOfLeaseLiabilitiesAbstract"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LeasesLineItems" xlink:type="locator" xlink:label="nov_LeasesLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:type="locator" xlink:label="us-gaap_OtherNoncurrentLiabilitiesMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherCurrentLiabilitiesMember" xlink:type="locator" xlink:label="us-gaap_OtherCurrentLiabilitiesMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:type="locator" xlink:label="us-gaap_BalanceSheetLocationDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:type="locator" xlink:label="us-gaap_BalanceSheetLocationAxis"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LeasesTable" xlink:type="locator" xlink:label="nov_LeasesTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:type="locator" xlink:label="us-gaap_LeasesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="nov_LeasesTable" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesTable" xlink:to="us-gaap_BalanceSheetLocationAxis" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationDomain" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_OtherCurrentLiabilitiesMember" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_OtherNoncurrentLiabilitiesMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesTable" xlink:to="nov_LeasesLineItems" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="nov_CurrentPortionOfLeaseLiabilitiesAbstract" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent" order="10290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="nov_LeaseLiabilitiesCurrent" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="nov_LongTermPortionOfLeaseLiabilitiesAbstract" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent" order="10450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="nov_LeasesLineItems" xlink:to="nov_LeaseLiabilitiesNonCurrent" order="10530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtDetail" xlink:href="nov-20210331.xsd#Role_DisclosureDebtDebtDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:type="locator" xlink:label="us-gaap_LongTermDebtNoncurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:type="locator" xlink:label="us-gaap_LongTermDebtCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt" xlink:type="locator" xlink:label="us-gaap_LongTermDebt"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:type="locator" xlink:label="us-gaap_OtherLongTermDebt"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SeniorNotes" xlink:type="locator" xlink:label="us-gaap_SeniorNotes"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentLineItems"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember" xlink:type="locator" xlink:label="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyNineMember" xlink:type="locator" xlink:label="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyNineMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember" xlink:type="locator" xlink:label="nov_SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentNameDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentAxis" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="nov_SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyNineMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="10180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_SeniorNotes" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_OtherLongTermDebt" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongTermDebt" order="10350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongTermDebtCurrent" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongTermDebtNoncurrent" order="10470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtParentheticalDetail" xlink:href="nov-20210331.xsd#Role_DisclosureDebtDebtParentheticalDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtParentheticalDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentMaturityDate"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentFaceAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentLineItems"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember" xlink:type="locator" xlink:label="nov_SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember"/> |
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| | <link:loc xlink:href="nov-20210331.xsd#nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember" xlink:type="locator" xlink:label="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentNameDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTable"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentMaturityDate" order="10450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="nov-20210331.xsd#nov_DebtInstrumentMaturityYear" xlink:type="locator" xlink:label="nov_DebtInstrumentMaturityYear"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_WriteOffOfUnamortizedDiscountAndDebtIssuanceCost" xlink:type="locator" xlink:label="nov_WriteOffOfUnamortizedDiscountAndDebtIssuanceCost"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:type="locator" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepositLiabilitiesAccruedInterest" xlink:type="locator" xlink:label="us-gaap_DepositLiabilitiesAccruedInterest"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RedemptionPremium" xlink:type="locator" xlink:label="us-gaap_RedemptionPremium"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SeniorNotes" xlink:type="locator" xlink:label="us-gaap_SeniorNotes"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:type="locator" xlink:label="us-gaap_LongTermDebtFairValue"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_OutstandingLettersOfCreditUnderVariousBilateralCommittedLetterOfCreditFacilities" xlink:type="locator" xlink:label="nov_OutstandingLettersOfCreditUnderVariousBilateralCommittedLetterOfCreditFacilities"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:type="locator" xlink:label="us-gaap_OtherLongTermDebt"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LineOfCreditFacilityCovenantTermsMaximumDebtToEquityPercentage" xlink:type="locator" xlink:label="nov_LineOfCreditFacilityCovenantTermsMaximumDebtToEquityPercentage"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_AdditionalLineOfCreditFacilityBorrowingCapacity" xlink:type="locator" xlink:label="nov_AdditionalLineOfCreditFacilityBorrowingCapacity"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:type="locator" xlink:label="us-gaap_LettersOfCreditOutstandingAmount"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LineOfCreditFacilityCovenantComplianceDebtToCapitalizationPercentage" xlink:type="locator" xlink:label="nov_LineOfCreditFacilityCovenantComplianceDebtToCapitalizationPercentage"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LineOfCreditFacilityCovenantTermsMaximumDebtToCapitalizationPercentage" xlink:type="locator" xlink:label="nov_LineOfCreditFacilityCovenantTermsMaximumDebtToCapitalizationPercentage"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_InterestRateUnderMulticurrencyFacility" xlink:type="locator" xlink:label="nov_InterestRateUnderMulticurrencyFacility"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_LineOfCreditFacilityExtendedBorrowingCapacity" xlink:type="locator" xlink:label="nov_LineOfCreditFacilityExtendedBorrowingCapacity"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationPeriod"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioForecastMember" xlink:type="locator" xlink:label="srt_ScenarioForecastMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:type="locator" xlink:label="srt_ScenarioUnspecifiedDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementScenarioAxis" xlink:type="locator" xlink:label="srt_StatementScenarioAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_TwoPointSixZeroUnsecuredSeniorNotesDueDecemberTwoThousandTwentyTwoMember" xlink:type="locator" xlink:label="nov_TwoPointSixZeroUnsecuredSeniorNotesDueDecemberTwoThousandTwentyTwoMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel2Member"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:type="locator" xlink:label="us-gaap_UnsecuredDebtMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:type="locator" xlink:label="us-gaap_NoncontrollingInterestMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain" xlink:type="locator" xlink:label="us-gaap_EquityComponentDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementEquityComponentsAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignLineOfCreditMember" xlink:type="locator" xlink:label="us-gaap_ForeignLineOfCreditMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_CanadianDollarOfferedRateCDORMember" xlink:type="locator" xlink:label="nov_CanadianDollarOfferedRateCDORMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateDomain" xlink:type="locator" xlink:label="us-gaap_VariableRateDomain"/> |
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| | <link:loc xlink:href="nov-20210331.xsd#nov_UnsecuredCreditFacilityMember" xlink:type="locator" xlink:label="nov_UnsecuredCreditFacilityMember"/> |
| | <link:loc xlink:href="nov-20210331.xsd#nov_FiveYearUnsecuredRevolvingCreditFacilityMember" xlink:type="locator" xlink:label="nov_FiveYearUnsecuredRevolvingCreditFacilityMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:type="locator" xlink:label="us-gaap_CreditFacilityDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_CreditFacilityAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="nov_UnsecuredCreditFacilityMember" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateDomain" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_VariableRateDomain" xlink:to="nov_CanadianDollarOfferedRateCDORMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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