| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<!-- XBRL Document Created with Wdesk from Workiva --> |
<!-- --> |
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.leidos.com/20170331" xmlns:ldos="http://www.leidos.com/20170331" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> |
| <xsd:import namespace="http://fasb.org/us-gaap/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd"/> |
| <xsd:import namespace="http://fasb.org/us-roles/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-roles-2016-01-31.xsd"/> |
| <xsd:import namespace="http://fasb.org/us-types/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-types-2016-01-31.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/> |
| <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/> |
| <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/country/2016-01-31" schemaLocation="http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/currency/2016-01-31" schemaLocation="http://xbrl.sec.gov/currency/2016/currency-2016-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/exch/2016-01-31" schemaLocation="http://xbrl.sec.gov/exch/2016/exch-2016-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd"/> |
| <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"/> |
| <xsd:annotation> |
| | <xsd:appinfo> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ldos-20170331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ldos-20170331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ldos-20170331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/> |
| | | <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ldos-20170331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLoss" roleURI="http://www.leidos.com/role/AccumulatedOtherComprehensiveIncomeLoss"> |
| <link:definition> 2115100 - Disclosure - Accumulated Other Comprehensive Income (Loss) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveLossDetail" roleURI="http://www.leidos.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveLossDetail"> |
| <link:definition> 2415402 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Schedule of Accumulated Other Comprehensive Loss) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AccumulatedOtherComprehensiveIncomeLossTables" roleURI="http://www.leidos.com/role/AccumulatedOtherComprehensiveIncomeLossTables"> |
| <link:definition> 2315301 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Acquisitions" roleURI="http://www.leidos.com/role/Acquisitions"> |
| <link:definition> 2102100 - Disclosure - Acquisitions </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AcquisitionsIntegrationCostsDetails" roleURI="http://www.leidos.com/role/AcquisitionsIntegrationCostsDetails"> |
| <link:definition> 2402404 - Disclosure - Acquisitions (Integration Costs) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AcquisitionsProFormaInformationDetails" roleURI="http://www.leidos.com/role/AcquisitionsProFormaInformationDetails"> |
| <link:definition> 2402405 - Disclosure - Acquisitions (Pro Forma Information) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AcquisitionsPurchasePriceDetails" roleURI="http://www.leidos.com/role/AcquisitionsPurchasePriceDetails"> |
| <link:definition> 2402403 - Disclosure - Acquisitions (Purchase price) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AcquisitionsTables" roleURI="http://www.leidos.com/role/AcquisitionsTables"> |
| <link:definition> 2302301 - Disclosure - Acquisitions (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="AcquisitionsTextualDetails" roleURI="http://www.leidos.com/role/AcquisitionsTextualDetails"> |
| <link:definition> 2402402 - Disclosure - Acquisitions (Textual) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BasisOfPresentationAndSummaryOfSignificantAccountingPolicies" roleURI="http://www.leidos.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPolicies"> |
| <link:definition> 2101100 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" roleURI="http://www.leidos.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"> |
| <link:definition> 2401403 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Additional Information) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesChangesInEstimatesOnContractsDetails" roleURI="http://www.leidos.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesChangesInEstimatesOnContractsDetails"> |
| <link:definition> 2401404 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Changes in estimates on contracts) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.leidos.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies"> |
| <link:definition> 2201201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables" roleURI="http://www.leidos.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables"> |
| <link:definition> 2301302 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BusinessSegments" roleURI="http://www.leidos.com/role/BusinessSegments"> |
| <link:definition> 2129100 - Disclosure - Business Segments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BusinessSegmentsScheduleOfSegmentReportingInformationBySegmentDetail" roleURI="http://www.leidos.com/role/BusinessSegmentsScheduleOfSegmentReportingInformationBySegmentDetail"> |
| <link:definition> 2429402 - Disclosure - Business Segments (Schedule of Segment Reporting Information by Segment) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="BusinessSegmentsTables" roleURI="http://www.leidos.com/role/BusinessSegmentsTables"> |
| <link:definition> 2329301 - Disclosure - Business Segments (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Commitments" roleURI="http://www.leidos.com/role/Commitments"> |
| <link:definition> 2131100 - Disclosure - Commitments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CommitmentsAdditionalInformationDetail" roleURI="http://www.leidos.com/role/CommitmentsAdditionalInformationDetail"> |
| <link:definition> 2431401 - Disclosure - Commitments (Additional Information) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CondensedConsolidatedBalanceSheets" roleURI="http://www.leidos.com/role/CondensedConsolidatedBalanceSheets"> |
| <link:definition> 1001000 - Statement - Condensed Consolidated Balance Sheets </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://www.leidos.com/role/CondensedConsolidatedBalanceSheetsParenthetical"> |
| <link:definition> 1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CondensedConsolidatedStatementsOfCashFlowsUnaudited" roleURI="http://www.leidos.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited"> |
| <link:definition> 1006000 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" roleURI="http://www.leidos.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited"> |
| <link:definition> 1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CondensedConsolidatedStatementsOfIncomeUnaudited" roleURI="http://www.leidos.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited"> |
| <link:definition> 1002000 - Statement - Condensed Consolidated Statements of Income (Unaudited) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="CondensedConsolidatedStatementsOfIncomeUnauditedCalc2" roleURI="http://www.leidos.com/role/CondensedConsolidatedStatementsOfIncomeUnauditedCalc2"> |
| <link:definition> 1002000 - Statement - Condensed Consolidated Statements of Income (Unaudited) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Contingencies" roleURI="http://www.leidos.com/role/Contingencies"> |
| <link:definition> 2130100 - Disclosure - Contingencies </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="ContingenciesAdditionalInformationDetail" roleURI="http://www.leidos.com/role/ContingenciesAdditionalInformationDetail"> |
| <link:definition> 2430401 - Disclosure - Contingencies (Additional Information) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Debt" roleURI="http://www.leidos.com/role/Debt"> |
| <link:definition> 2113100 - Disclosure - Debt </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DebtRevolvingCreditFacilityDetail" roleURI="http://www.leidos.com/role/DebtRevolvingCreditFacilityDetail"> |
| <link:definition> 2413404 - Disclosure - Debt (Revolving Credit Facility) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DebtSeniorSecuredNotesAndSenoirSecuredTermLoansDetail" roleURI="http://www.leidos.com/role/DebtSeniorSecuredNotesAndSenoirSecuredTermLoansDetail"> |
| <link:definition> 2413403 - Disclosure - Debt (Senior Secured Notes and Senoir Secured Term Loans) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DebtSummaryOfDebtDetail" roleURI="http://www.leidos.com/role/DebtSummaryOfDebtDetail"> |
| <link:definition> 2413402 - Disclosure - Debt (Summary of debt) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DebtTables" roleURI="http://www.leidos.com/role/DebtTables"> |
| <link:definition> 2313301 - Disclosure - Debt (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeInstruments" roleURI="http://www.leidos.com/role/DerivativeInstruments"> |
| <link:definition> 2112100 - Disclosure - Derivative Instruments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeInstrumentsDetails" roleURI="http://www.leidos.com/role/DerivativeInstrumentsDetails"> |
| <link:definition> 2412402 - Disclosure - Derivative Instruments (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DerivativeInstrumentsTables" roleURI="http://www.leidos.com/role/DerivativeInstrumentsTables"> |
| <link:definition> 2312301 - Disclosure - Derivative Instruments (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Divestitures" roleURI="http://www.leidos.com/role/Divestitures"> |
| <link:definition> 2103100 - Disclosure - Divestitures </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DivestituresNarrativeDetails" roleURI="http://www.leidos.com/role/DivestituresNarrativeDetails"> |
| <link:definition> 2403401 - Disclosure - Divestitures (Narrative) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="DocumentAndEntityInformation" roleURI="http://www.leidos.com/role/DocumentAndEntityInformation"> |
| <link:definition> 0001000 - Document - Document and Entity Information </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EarningsPerShareEps" roleURI="http://www.leidos.com/role/EarningsPerShareEps"> |
| <link:definition> 2121100 - Disclosure - Earnings Per Share (EPS) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EarningsPerShareEpsReconciliationOfWeightedAverageNumberOfSharesOutstandingDetail" roleURI="http://www.leidos.com/role/EarningsPerShareEpsReconciliationOfWeightedAverageNumberOfSharesOutstandingDetail"> |
| <link:definition> 2421402 - Disclosure - Earnings Per Share (EPS) (Reconciliation of Weighted Average Number of Shares Outstanding) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EarningsPerShareEpsScheduleOfStockBasedAwardsExcludedFromWeightedAverageSharesOutstandingDetail" roleURI="http://www.leidos.com/role/EarningsPerShareEpsScheduleOfStockBasedAwardsExcludedFromWeightedAverageSharesOutstandingDetail"> |
| <link:definition> 2421403 - Disclosure - Earnings Per Share (EPS) (Schedule of Stock-Based Awards Excluded from Weighted Average Shares Outstanding) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="EarningsPerShareEpsTables" roleURI="http://www.leidos.com/role/EarningsPerShareEpsTables"> |
| <link:definition> 2321301 - Disclosure - Earnings Per Share (EPS) (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurements" roleURI="http://www.leidos.com/role/FairValueMeasurements"> |
| <link:definition> 2104100 - Disclosure - Fair Value Measurements </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsDetails" roleURI="http://www.leidos.com/role/FairValueMeasurementsDetails"> |
| <link:definition> 2404402 - Disclosure - Fair Value Measurements (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.leidos.com/role/FairValueMeasurementsTables"> |
| <link:definition> 2304301 - Disclosure - Fair Value Measurements (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="Goodwill" roleURI="http://www.leidos.com/role/Goodwill"> |
| <link:definition> 2105100 - Disclosure - Goodwill </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillScheduleOfChangesInGoodwillBySegmentDetail" roleURI="http://www.leidos.com/role/GoodwillScheduleOfChangesInGoodwillBySegmentDetail"> |
| <link:definition> 2405402 - Disclosure - Goodwill (Schedule of Changes in Goodwill by Segment) (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="GoodwillTables" roleURI="http://www.leidos.com/role/GoodwillTables"> |
| <link:definition> 2305301 - Disclosure - Goodwill (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IntangibleAssets" roleURI="http://www.leidos.com/role/IntangibleAssets"> |
| <link:definition> 2105100 - Disclosure - Intangible Assets </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IntangibleAssetsAmortizationOfIntangiblesDetails" roleURI="http://www.leidos.com/role/IntangibleAssetsAmortizationOfIntangiblesDetails"> |
| <link:definition> 2405403 - Disclosure - Intangible Assets (Amortization of Intangibles) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IntangibleAssetsNarrativeDetails" roleURI="http://www.leidos.com/role/IntangibleAssetsNarrativeDetails"> |
| <link:definition> 2405404 - Disclosure - Intangible Assets (Narrative) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IntangibleAssetsSummaryDetails" roleURI="http://www.leidos.com/role/IntangibleAssetsSummaryDetails"> |
| <link:definition> 2405402 - Disclosure - Intangible Assets (Summary) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IntangibleAssetsSummaryDetailsCalc2" roleURI="http://www.leidos.com/role/IntangibleAssetsSummaryDetailsCalc2"> |
| <link:definition> 2405402 - Disclosure - Intangible Assets (Summary) (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="IntangibleAssetsTables" roleURI="http://www.leidos.com/role/IntangibleAssetsTables"> |
| <link:definition> 2305301 - Disclosure - Intangible Assets (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PropertyPlantAndEquipment" roleURI="http://www.leidos.com/role/PropertyPlantAndEquipment"> |
| <link:definition> 2107100 - Disclosure - Property, Plant and Equipment </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PropertyPlantAndEquipmentDetails" roleURI="http://www.leidos.com/role/PropertyPlantAndEquipmentDetails"> |
| <link:definition> 2407402 - Disclosure - Property, Plant and Equipment (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="PropertyPlantAndEquipmentTables" roleURI="http://www.leidos.com/role/PropertyPlantAndEquipmentTables"> |
| <link:definition> 2307301 - Disclosure - Property, Plant and Equipment (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RestructuringExpenses" roleURI="http://www.leidos.com/role/RestructuringExpenses"> |
| <link:definition> 2103100 - Disclosure - Restructuring Expenses </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RestructuringExpensesDetails" roleURI="http://www.leidos.com/role/RestructuringExpensesDetails"> |
| <link:definition> 2403402 - Disclosure - Restructuring Expenses (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="RestructuringExpensesTables" roleURI="http://www.leidos.com/role/RestructuringExpensesTables"> |
| <link:definition> 2303301 - Disclosure - Restructuring Expenses (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SupplementaryCashFlowInformation" roleURI="http://www.leidos.com/role/SupplementaryCashFlowInformation"> |
| <link:definition> 2128100 - Disclosure - Supplementary Cash Flow Information </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SupplementaryCashFlowInformationDetail" roleURI="http://www.leidos.com/role/SupplementaryCashFlowInformationDetail"> |
| <link:definition> 2428402 - Disclosure - Supplementary Cash Flow Information (Detail) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="SupplementaryCashFlowInformationTables" roleURI="http://www.leidos.com/role/SupplementaryCashFlowInformationTables"> |
| <link:definition> 2328301 - Disclosure - Supplementary Cash Flow Information (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | </xsd:appinfo> |
| | </xsd:annotation> |
| <xsd:element abstract="true" id="ldos_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember" name="AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_AcquisitionandIntegrationCosts" name="AcquisitionandIntegrationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_BusinessAcquisitionProFormaEarningPerShareAbstract" name="BusinessAcquisitionProFormaEarningPerShareAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableEquitybasedAwards" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableEquitybasedAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_BusinessCombinationMergerAgreementEquityInterestIssuedorIssuableNumberofShares" name="BusinessCombinationMergerAgreementEquityInterestIssuedorIssuableNumberofShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ldos_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccruedLiabilities" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccruedLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherAssets" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_BusinessCombinationProvisionalInformationInitialAccountingIncompleteDeferredTaxLiabilities" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteDeferredTaxLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ldos_CapitalLeasesAndOtherNotesPayableDueOnVariousDatesThroughFiscalTwoThousandTwentyMember" name="CapitalLeasesAndOtherNotesPayableDueOnVariousDatesThroughFiscalTwoThousandTwentyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_ChangesInEstimatesOnContractsPolicyTextBlock" name="ChangesInEstimatesOnContractsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_CivilSegmentMember" name="CivilSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_ComputerandOtherEquipmentMember" name="ComputerandOtherEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_ConsiderationTransferedWorkingCapitalAdjustment" name="ConsiderationTransferedWorkingCapitalAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_ConsolidatedCasesNumberOfLawsuits" name="ConsolidatedCasesNumberOfLawsuits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:positiveIntegerItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_ContractsByThirdPartyAxis" name="ContractsByThirdPartyAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_ContractsByThirdPartyDomain" name="ContractsByThirdPartyDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_CumulativeContractLosses" name="CumulativeContractLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_DataPrivacyLitigationMember" name="DataPrivacyLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_DebtInstrumentDecreaseinBasisPoints" name="DebtInstrumentDecreaseinBasisPoints" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ldos_DefenseSolutionSegmentMember" name="DefenseSolutionSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_DescriptionOfNewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" name="DescriptionOfNewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_DocumentDocumentandEntityInformationAbstract" name="DocumentDocumentandEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount" name="EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_EmployeeStockoptionsandVestingStockAwardsMember" name="EmployeeStockoptionsandVestingStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_GreekGovernmentContractMember" name="GreekGovernmentContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_HealthSegmentMember" name="HealthSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_ISGSAcquisitionMember" name="ISGSAcquisitionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_IncreaseDecreaseInIncomeFromChangeInContractEstimates" name="IncreaseDecreaseInIncomeFromChangeInContractEstimates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_IncreaseDecreaseInIncomeFromChangeInContractEstimatesPerDilutedShare" name="IncreaseDecreaseInIncomeFromChangeInContractEstimatesPerDilutedShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_InformationSystemsGlobalSolutionsBusinessofLockheedMartinMember" name="InformationSystemsGlobalSolutionsBusinessofLockheedMartinMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_InvoiceForUndisputedPortionOfContractMember" name="InvoiceForUndisputedPortionOfContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LegalProceedingsAndRelatedMattersAxis" name="LegalProceedingsAndRelatedMattersAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LegalProceedingsAndRelatedMattersDomain" name="LegalProceedingsAndRelatedMattersDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LegalProceedingsLineItems" name="LegalProceedingsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LegalProceedingsTable" name="LegalProceedingsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LeidosHoldingsIncMember" name="LeidosHoldingsIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LeidosMember" name="LeidosMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LettersOfCreditRelatedSystemSupportAndMaintenanceMember" name="LettersOfCreditRelatedSystemSupportAndMaintenanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LettersOfCreditRelatingToDeliveryMember" name="LettersOfCreditRelatingToDeliveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_LitigationSettlementAmountPercentageofTotal" name="LitigationSettlementAmountPercentageofTotal" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_LockheedMartinMember" name="LockheedMartinMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_LossContingencyClaimsResolved" name="LossContingencyClaimsResolved" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_LossContingencyPercentageofDamagesCoveredBetweenThirtyEightMillionandSixtyFourMillionSettlementAmount" name="LossContingencyPercentageofDamagesCoveredBetweenThirtyEightMillionandSixtyFourMillionSettlementAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ldos_LossContingencyPercentageofDamagesCoveredExcessofSixtyFourMillionSettlementAmount" name="LossContingencyPercentageofDamagesCoveredExcessofSixtyFourMillionSettlementAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ldos_MSAVentureMember" name="MSAVentureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_NotesWhichMatureOnDecemberTwoThousandFortyMember" name="NotesWhichMatureOnDecemberTwoThousandFortyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_NotesWhichMatureOnDecemberTwoThousandTwentyMember" name="NotesWhichMatureOnDecemberTwoThousandTwentyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_NotesWhichMatureOnJulyTwoThousandThirtyThreeMember" name="NotesWhichMatureOnJulyTwoThousandThirtyThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_NotesWhichMatureOnJulyTwoThousandThirtyTwoMember" name="NotesWhichMatureOnJulyTwoThousandThirtyTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_NumberOfLawsuits" name="NumberOfLawsuits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_NumberofFormerChiefExecutiveOfficers" name="NumberofFormerChiefExecutiveOfficers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_OneBusinessMember" name="OneBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_OtherCommitmentsAndContingenciesLineItems" name="OtherCommitmentsAndContingenciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_OtherCommitmentsAndContingenciesTable" name="OtherCommitmentsAndContingenciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_OtherIntegrationCosts" name="OtherIntegrationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_PlainfieldRenewalEnergyHoldingsLLCMember" name="PlainfieldRenewalEnergyHoldingsLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_ProceedsfromCollectionofNotesReceivableIncludingInterest" name="ProceedsfromCollectionofNotesReceivableIncludingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_RestructuringLiabilityPeriodtoSettle" name="RestructuringLiabilityPeriodtoSettle" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_SecuritiesClassActionsMember" name="SecuritiesClassActionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_SpecialDividendPaidPerShare" name="SpecialDividendPaidPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_StrategicAcquisitionandIntegrationCosts" name="StrategicAcquisitionandIntegrationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_SuretyBondsAmountOutstanding" name="SuretyBondsAmountOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ldos_TermLoanADollarSixHundredandNinetyMillionDueAugustTwentyTwentyOneMember" name="TermLoanADollarSixHundredandNinetyMillionDueAugustTwentyTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_TermLoanADollarThreeHundredandTenMillionDueAugustTwentyTwentyOneMember" name="TermLoanADollarThreeHundredandTenMillionDueAugustTwentyTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_TermLoanADueAugustTwentyNineteenMember" name="TermLoanADueAugustTwentyNineteenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_TermLoanAMember" name="TermLoanAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_TermLoanBDueAugustTwentyTwentyThreeMember" name="TermLoanBDueAugustTwentyTwentyThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ldos_ThirdPartyCreditEnhancementAmount" name="ThirdPartyCreditEnhancementAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ldos_ValueAddedTaxesMember" name="ValueAddedTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ldos_VirnetXIncMember" name="VirnetXIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| </xsd:schema> |