| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ --> |
<!-- 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. --> |
<xsd:schema xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:dei="http://xbrl.sec.gov/dei/2020-01-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:us-types="http://fasb.org/us-types/2020-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:srt-types="http://fasb.org/srt-types/2020-01-31" xmlns:sic="http://xbrl.sec.gov/sic/2020-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:srt="http://fasb.org/srt/2020-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2020-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2017-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:country="http://xbrl.sec.gov/country/2020-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:currency="http://xbrl.sec.gov/currency/2020-01-31" xmlns:nov="http://www.nationaloilwellvarco.com/20210331" xmlns:exch="http://xbrl.sec.gov/exch/2020-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.nationaloilwellvarco.com/20210331" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> |
| <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd" namespace="http://xbrl.sec.gov/country/2020-01-31"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd" namespace="http://xbrl.sec.gov/currency/2020-01-31"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd" namespace="http://xbrl.sec.gov/dei/2020-01-31"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/exch/2020/exch-2020-01-31.xsd" namespace="http://xbrl.sec.gov/exch/2020-01-31"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/negated"/> |
| <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/net"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" namespace="http://xbrl.sec.gov/naics/2017-01-31"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/sic/2020/sic-2020-01-31.xsd" namespace="http://xbrl.sec.gov/sic/2020-01-31"/> |
| <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd" namespace="http://fasb.org/srt/2020-01-31"/> |
| <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-roles-2020-01-31.xsd" namespace="http://fasb.org/srt-roles/2020-01-31"/> |
| <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd" namespace="http://fasb.org/srt-types/2020-01-31"/> |
| <xsd:import schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd" namespace="http://xbrl.sec.gov/stpr/2018-01-31"/> |
| <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd" namespace="http://fasb.org/us-gaap/2020-01-31"/> |
| <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd" namespace="http://fasb.org/us-roles/2020-01-31"/> |
| <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd" namespace="http://fasb.org/us-types/2020-01-31"/> |
| <xsd:annotation> |
| | <xsd:appinfo> |
| | | <link:roleType id="TemplateLink" roleURI="http://www.nationaloilwellvarco.com/20210331/role/TemplateLink" xmlns:link="http://www.xbrl.org/2003/linkbase"> |
| <link:definition> 00000 - Document - Template Link </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nov-20210331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:title="Calculation Links, all" xlink:type="simple" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink"/> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nov-20210331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition Links, all" xlink:type="simple"/> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nov-20210331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple"/> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nov-20210331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple"/> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation"> |
| <link:definition> 100000 - Document - Document and Entity Information </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedBalanceSheetsUnaudited" id="Role_StatementConsolidatedBalanceSheetsUnaudited"> |
| <link:definition> 100010 - Statement - Consolidated Balance Sheets (Unaudited) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedBalanceSheetsUnauditedParenthetical" id="Role_StatementConsolidatedBalanceSheetsUnauditedParenthetical"> |
| <link:definition> 100020 - Statement - Consolidated Balance Sheets (Unaudited) (Parenthetical) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedStatementsOfIncomeLossUnaudited" id="Role_StatementConsolidatedStatementsOfIncomeLossUnaudited"> |
| <link:definition> 100030 - Statement - Consolidated Statements of Income (Loss) (Unaudited) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLossUnaudited" id="Role_StatementConsolidatedStatementsOfComprehensiveLossUnaudited"> |
| <link:definition> 100040 - Statement - Consolidated Statements of Comprehensive Loss (Unaudited) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsUnaudited" id="Role_StatementConsolidatedStatementsOfCashFlowsUnaudited"> |
| <link:definition> 100050 - Statement - Consolidated Statements of Cash Flows (Unaudited) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityUnaudited" id="Role_StatementConsolidatedStatementsOfStockholdersEquityUnaudited"> |
| <link:definition> 100060 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityUnauditedParenthetical" id="Role_StatementConsolidatedStatementsOfStockholdersEquityUnauditedParenthetical"> |
| <link:definition> 100070 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureBasisOfPresentation" id="Role_DisclosureBasisOfPresentation"> |
| <link:definition> 100080 - Disclosure - Basis of Presentation </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureInventoriesNet" id="Role_DisclosureInventoriesNet"> |
| <link:definition> 100090 - Disclosure - Inventories, net </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccruedLiabilities" id="Role_DisclosureAccruedLiabilities"> |
| <link:definition> 100100 - Disclosure - Accrued Liabilities </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLoss" id="Role_DisclosureAccumulatedOtherComprehensiveLoss"> |
| <link:definition> 100110 - Disclosure - Accumulated Other Comprehensive Loss </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureSegments" id="Role_DisclosureSegments"> |
| <link:definition> 100120 - Disclosure - Segments </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenue" id="Role_DisclosureRevenue"> |
| <link:definition> 100130 - Disclosure - Revenue </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureLeases" id="Role_DisclosureLeases"> |
| <link:definition> 100140 - Disclosure - Leases </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebt" id="Role_DisclosureDebt"> |
| <link:definition> 100150 - Disclosure - Debt </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureIncomeTaxes" id="Role_DisclosureIncomeTaxes"> |
| <link:definition> 100160 - Disclosure - Income Taxes </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureStockBasedCompensation" id="Role_DisclosureStockBasedCompensation"> |
| <link:definition> 100170 - Disclosure - Stock-Based Compensation </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDerivativeFinancialInstruments" id="Role_DisclosureDerivativeFinancialInstruments"> |
| <link:definition> 100180 - Disclosure - Derivative Financial Instruments </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureNetLossAttributableToCompanyPerShare" id="Role_DisclosureNetLossAttributableToCompanyPerShare"> |
| <link:definition> 100190 - Disclosure - Net Loss Attributable to Company Per Share </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureCashDividends" id="Role_DisclosureCashDividends"> |
| <link:definition> 100200 - Disclosure - Cash Dividends </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureCommitmentsAndContingencies" id="Role_DisclosureCommitmentsAndContingencies"> |
| <link:definition> 100210 - Disclosure - Commitments and Contingencies </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureNewAccountingPronouncements" id="Role_DisclosureNewAccountingPronouncements"> |
| <link:definition> 100220 - Disclosure - New Accounting Pronouncements </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureBasisOfPresentationPolicies" id="Role_DisclosureBasisOfPresentationPolicies"> |
| <link:definition> 100230 - Disclosure - Basis of Presentation (Policies) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureInventoriesNetTables" id="Role_DisclosureInventoriesNetTables"> |
| <link:definition> 100240 - Disclosure - Inventories, net (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccruedLiabilitiesTables" id="Role_DisclosureAccruedLiabilitiesTables"> |
| <link:definition> 100250 - Disclosure - Accrued Liabilities (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossTables" id="Role_DisclosureAccumulatedOtherComprehensiveLossTables"> |
| <link:definition> 100260 - Disclosure - Accumulated Other Comprehensive Loss (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureSegmentsTables" id="Role_DisclosureSegmentsTables"> |
| <link:definition> 100270 - Disclosure - Segments (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenueTables" id="Role_DisclosureRevenueTables"> |
| <link:definition> 100280 - Disclosure - Revenue (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureLeasesTables" id="Role_DisclosureLeasesTables"> |
| <link:definition> 100290 - Disclosure - Leases (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtTables" id="Role_DisclosureDebtTables"> |
| <link:definition> 100300 - Disclosure - Debt (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsTables" id="Role_DisclosureDerivativeFinancialInstrumentsTables"> |
| <link:definition> 100310 - Disclosure - Derivative Financial Instruments (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureNetLossAttributableToCompanyPerShareTables" id="Role_DisclosureNetLossAttributableToCompanyPerShareTables"> |
| <link:definition> 100320 - Disclosure - Net Loss Attributable to Company Per Share (Tables) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureInventoriesNetInventoriesDetail" id="Role_DisclosureInventoriesNetInventoriesDetail"> |
| <link:definition> 100330 - Disclosure - Inventories, net - Inventories (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetail" id="Role_DisclosureAccruedLiabilitiesAccruedLiabilitiesDetail"> |
| <link:definition> 100340 - Disclosure - Accrued Liabilities - Accrued Liabilities (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossDetail" id="Role_DisclosureAccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossDetail"> |
| <link:definition> 100350 - Disclosure - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossComponentsOfAmountsReclassifiedFromAccumulatedOtherComprehensiveIncomeLossDetail" id="Role_DisclosureAccumulatedOtherComprehensiveLossComponentsOfAmountsReclassifiedFromAccumulatedOtherComprehensiveIncomeLossDetail"> |
| <link:definition> 100360 - Disclosure - Accumulated Other Comprehensive Loss - Components of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossAdditionalInformationDetail" id="Role_DisclosureAccumulatedOtherComprehensiveLossAdditionalInformationDetail"> |
| <link:definition> 100370 - Disclosure - Accumulated Other Comprehensive Loss - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureSegmentsOperatingSegmentsDetail" id="Role_DisclosureSegmentsOperatingSegmentsDetail"> |
| <link:definition> 100380 - Disclosure - Segments - Operating Segments (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureSegmentsAdditionalInformationDetail" id="Role_DisclosureSegmentsAdditionalInformationDetail"> |
| <link:definition> 100390 - Disclosure - Segments - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenueSummaryOfDisaggregateRevenueByDestinationsDetail" id="Role_DisclosureRevenueSummaryOfDisaggregateRevenueByDestinationsDetail"> |
| <link:definition> 100400 - Disclosure - Revenue - Summary of Disaggregate Revenue by Destinations (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenueAdditionalInformationDetail" id="Role_DisclosureRevenueAdditionalInformationDetail"> |
| <link:definition> 100410 - Disclosure - Revenue - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenueAdditionalInformationDetail1" id="Role_DisclosureRevenueAdditionalInformationDetail1"> |
| <link:definition> 100420 - Disclosure - Revenue - Additional Information (Detail 1) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenueAdditionalInformationDetail1Default" id="Role_DisclosureRevenueAdditionalInformationDetail1Default"> |
| <link:definition> 100420 - Disclosure - Revenue - Additional Information (Detail 1) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureRevenueSummaryOfChangesInNetCarryingAmountOfContractAssetsAndContractLiabilitiesDetail" id="Role_DisclosureRevenueSummaryOfChangesInNetCarryingAmountOfContractAssetsAndContractLiabilitiesDetail"> |
| <link:definition> 100430 - Disclosure - Revenue - Summary of Changes in Net Carrying Amount of Contract Assets and Contract Liabilities (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureLeasesScheduleOfComponentsOfLeasesDetail" id="Role_DisclosureLeasesScheduleOfComponentsOfLeasesDetail"> |
| <link:definition> 100440 - Disclosure - Leases - Schedule of Components of Leases (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtDetail" id="Role_DisclosureDebtDebtDetail"> |
| <link:definition> 100450 - Disclosure - Debt - Debt (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtDetail2" id="Role_DisclosureDebtDebtDetail2"> |
| <link:definition> 100460 - Disclosure - Debt - Debt (Detail)2 </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtDebtParentheticalDetail" id="Role_DisclosureDebtDebtParentheticalDetail"> |
| <link:definition> 100470 - Disclosure - Debt - Debt (Parenthetical) (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDebtAdditionalInformationDetail" id="Role_DisclosureDebtAdditionalInformationDetail"> |
| <link:definition> 100480 - Disclosure - Debt - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail" id="Role_DisclosureIncomeTaxesAdditionalInformationDetail"> |
| <link:definition> 100490 - Disclosure - Income Taxes - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureStockBasedCompensationAdditionalInformationDetail" id="Role_DisclosureStockBasedCompensationAdditionalInformationDetail"> |
| <link:definition> 100500 - Disclosure - Stock-Based Compensation - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsOutstandingForeignCurrencyForwardContractsDetail" id="Role_DisclosureDerivativeFinancialInstrumentsOutstandingForeignCurrencyForwardContractsDetail"> |
| <link:definition> 100510 - Disclosure - Derivative Financial Instruments - Outstanding Foreign Currency Forward Contracts (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail" id="Role_DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"> |
| <link:definition> 100520 - Disclosure - Derivative Financial Instruments - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsDerivativeInstrumentsAndTheirBalanceSheetClassificationsDetail" id="Role_DisclosureDerivativeFinancialInstrumentsDerivativeInstrumentsAndTheirBalanceSheetClassificationsDetail"> |
| <link:definition> 100530 - Disclosure - Derivative Financial Instruments - Derivative Instruments and their Balance Sheet Classifications (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureNetLossAttributableToCompanyPerShareComputationOfWeightedAverageBasicAndDilutedSharesOutstandingDetail" id="Role_DisclosureNetLossAttributableToCompanyPerShareComputationOfWeightedAverageBasicAndDilutedSharesOutstandingDetail"> |
| <link:definition> 100540 - Disclosure - Net Loss Attributable to Company Per Share - Computation of Weighted Average Basic and Diluted Shares Outstanding (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureNetLossAttributableToCompanyPerShareAdditionalInformationDetail" id="Role_DisclosureNetLossAttributableToCompanyPerShareAdditionalInformationDetail"> |
| <link:definition> 100550 - Disclosure - Net Loss Attributable to Company Per Share- Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.nationaloilwellvarco.com/20210331/taxonomy/role/DisclosureCashDividendsAdditionalInformationDetail" id="Role_DisclosureCashDividendsAdditionalInformationDetail"> |
| <link:definition> 100560 - Disclosure - Cash Dividends - Additional Information (Detail) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | </xsd:appinfo> |
| | </xsd:annotation> |
| <xsd:element id="nov_LeaseLiabilitiesCurrent" name="LeaseLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_LeaseLiabilitiesNonCurrent" name="LeaseLiabilitiesNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_GoodwillAndIndefiniteLivedIntangibleAssetImpairment" name="GoodwillAndIndefiniteLivedIntangibleAssetImpairment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="nov_ProvisionForInventoryLosses" name="ProvisionForInventoryLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="nov_CashPaymentsReceiptsDuringPeriodForAbstract" name="CashPaymentsReceiptsDuringPeriodForAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_WithholdingTaxes" name="WithholdingTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_LeasesDisclosureTextBlock" name="LeasesDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_CashDividendsTextBlock" name="CashDividendsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_ComponentsOfLeasesTableTextBlock" name="ComponentsOfLeasesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_OutstandingForeignCurrencyForwardContractsTableTextBlock" name="OutstandingForeignCurrencyForwardContractsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_AccruedPurchaseOrders" name="AccruedPurchaseOrders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_ChangeInFairValueOfOpenDerivatives" name="ChangeInFairValueOfOpenDerivatives" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="nov_OtherComprehensiveIncomeLossCumulativeChangeInNetGainLossFromCashFlowHedgesTax" name="OtherComprehensiveIncomeLossCumulativeChangeInNetGainLossFromCashFlowHedgesTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="nov_PercentageAsOfOperatingProfitToRevenue" name="PercentageAsOfOperatingProfitToRevenue" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_WellboreTechnologiesMember" name="WellboreTechnologiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_CompletionAndProductionSolutionsMember" name="CompletionAndProductionSolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_RigTechnologiesMember" name="RigTechnologiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_GoodwillIndefiniteLivedAndFiniteLivedIntangibleAndLongLivedTangibleAssetsMember" name="GoodwillIndefiniteLivedAndFiniteLivedIntangibleAndLongLivedTangibleAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_InventoryChargesMember" name="InventoryChargesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_SeveranceFacilityClosuresAndOtherItemsMember" name="SeveranceFacilityClosuresAndOtherItemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_ContinentalMember" name="ContinentalMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_LandAndOffshoreMember" name="LandAndOffshoreMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_InternationalMember" name="InternationalMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_LandDestinationMember" name="LandDestinationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_OffshoreDestinationMember" name="OffshoreDestinationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_ContractWithCustomerAssetIncreaseDecreaseProvision" name="ContractWithCustomerAssetIncreaseDecreaseProvision" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="nov_ContractWithCustomerLiabilityRevenueRecognizedIncludingAdditions" name="ContractWithCustomerLiabilityRevenueRecognizedIncludingAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_ContractWithCustomerLiabilitiesIncreaseDecreaseProvision" name="ContractWithCustomerLiabilitiesIncreaseDecreaseProvision" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_CurrentPortionOfLeaseLiabilitiesAbstract" name="CurrentPortionOfLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_LongTermPortionOfLeaseLiabilitiesAbstract" name="LongTermPortionOfLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_LeasesLineItems" name="LeasesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_LeasesTable" name="LeasesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember" name="SeniorNotesDueOnDecemberOneTwoThousandFortyTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyNineMember" name="SeniorNotesDueOnDecemberOneTwoThousandTwentyNineMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember" name="SeniorNotesDueOnDecemberOneTwoThousandTwentyTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_LineOfCreditFacilityExtendedBorrowingCapacity" name="LineOfCreditFacilityExtendedBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_InterestRateUnderMulticurrencyFacility" name="InterestRateUnderMulticurrencyFacility" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_LineOfCreditFacilityCovenantTermsMaximumDebtToCapitalizationPercentage" name="LineOfCreditFacilityCovenantTermsMaximumDebtToCapitalizationPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="nov_LineOfCreditFacilityCovenantComplianceDebtToCapitalizationPercentage" name="LineOfCreditFacilityCovenantComplianceDebtToCapitalizationPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="nov_FiveYearUnsecuredRevolvingCreditFacilityMember" name="FiveYearUnsecuredRevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_UnsecuredCreditFacilityMember" name="UnsecuredCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_CanadianDollarOfferedRateCDORMember" name="CanadianDollarOfferedRateCDORMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_TwoPointSixZeroUnsecuredSeniorNotesDueDecemberTwoThousandTwentyTwoMember" name="TwoPointSixZeroUnsecuredSeniorNotesDueDecemberTwoThousandTwentyTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_AdditionalLineOfCreditFacilityBorrowingCapacity" name="AdditionalLineOfCreditFacilityBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_LineOfCreditFacilityCovenantTermsMaximumDebtToEquityPercentage" name="LineOfCreditFacilityCovenantTermsMaximumDebtToEquityPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_OutstandingLettersOfCreditUnderVariousBilateralCommittedLetterOfCreditFacilities" name="OutstandingLettersOfCreditUnderVariousBilateralCommittedLetterOfCreditFacilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="nov_DebtInstrumentMaturityYear" name="DebtInstrumentMaturityYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_WriteOffOfUnamortizedDiscountAndDebtIssuanceCost" name="WriteOffOfUnamortizedDiscountAndDebtIssuanceCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="nov_TwoThousandEighteenLongTermIncentivePlanMember" name="TwoThousandEighteenLongTermIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_SeniorManagementEmployeesMember" name="SeniorManagementEmployeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_RestrictedStockAndRestrictedStockUnitsMember" name="RestrictedStockAndRestrictedStockUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_PerformanceBaseRestrictedStockMember" name="PerformanceBaseRestrictedStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_CumulativeShareholderReturnPerformanceStockAwardsMember" name="CumulativeShareholderReturnPerformanceStockAwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_TSRMember" name="TSRMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_NVAMember" name="NVAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="nov_NumberOfEqualVestingInstallments" name="NumberOfEqualVestingInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="nov_PercentageOfPerformanceSharesAwarded" name="PercentageOfPerformanceSharesAwarded" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| </xsd:schema> |