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| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | </xs:appinfo> |
| | </xs:annotation> |
| <xs:element id="ilmn_DebtInstrumentConvertibleThresholdNoteTradingDays" abstract="false" name="DebtInstrumentConvertibleThresholdNoteTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ilmn_CostOfGoodsSoldMember" abstract="true" name="CostOfGoodsSoldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_VentureCapitalInvestmentFundtheFundMember" abstract="true" name="VentureCapitalInvestmentFundtheFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_CostOfServicesMember" abstract="true" name="CostOfServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_A2000EmployeeStockPurchasePlanMember" abstract="true" name="A2000EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMeasurementPeriodAdjustments" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMeasurementPeriodAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessCombinationContinuationPayments" abstract="false" name="BusinessCombinationContinuationPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiability" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DeferredCompensationArrangementWithIndividualVestingPercentSpecifiedEvents" abstract="false" name="DeferredCompensationArrangementWithIndividualVestingPercentSpecifiedEvents" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_BusinessCombinationConsiderationTransferredFairValueOfAcceleratedAwardsAttributableToPreCombinationService" abstract="false" name="BusinessCombinationConsiderationTransferredFairValueOfAcceleratedAwardsAttributableToPreCombinationService" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesAffectedByModification" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesAffectedByModification" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ilmn_BusinessAcquisitionContingentValueRightsRevenueThreshold" abstract="false" name="BusinessAcquisitionContingentValueRightsRevenueThreshold" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DerivativeGainLossOnDerivativeNetNoncash" abstract="false" name="DerivativeGainLossOnDerivativeNetNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock" abstract="false" name="SupplementalBalanceSheetAndIncomeStatementDisclosuresTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="ilmn_ReverseTerminationFeeMember" abstract="true" name="ReverseTerminationFeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_DeferredTaxAssetsOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DebtInstrumentConvertibleThresholdConsecutiveNoteTradingDays" abstract="false" name="DebtInstrumentConvertibleThresholdConsecutiveNoteTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ilmn_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherCurrentAndNoncurrentLiabilities" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherCurrentAndNoncurrentLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_AdjustmentsToAdditionalPaidInCapitalExchangeOfContingentConsideration" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalExchangeOfContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ShareBasedPaymentArrangementCashIncentiveAwardTargetAwardAmount" abstract="false" name="ShareBasedPaymentArrangementCashIncentiveAwardTargetAwardAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_LossContingencyRoyaltyOnInvolvedProductsPercentage" abstract="false" name="LossContingencyRoyaltyOnInvolvedProductsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_GRAILIncMember" abstract="true" name="GRAILIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_StandardProductWarrantyDescriptionTerm" abstract="false" name="StandardProductWarrantyDescriptionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_BusinessCombinationContingentConsiderationConsiderationTransferred" abstract="false" name="BusinessCombinationContingentConsiderationConsiderationTransferred" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ConsolidatedVariableInterestEntitiesMember" abstract="true" name="ConsolidatedVariableInterestEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_AdditionalPaidInCapitalBeforeTax" abstract="false" name="AdditionalPaidInCapitalBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_IndustryCreditConcentrationRiskMember" abstract="true" name="IndustryCreditConcentrationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_LesseeOperatingLeaseLeaseNotYetCommencedLiability" abstract="false" name="LesseeOperatingLeaseLeaseNotYetCommencedLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessCombinationProvisionalInformationInitialIncompleteAccountingAdjustmentsConsiderationTransferredInvestmentHeldPreviously" abstract="false" name="BusinessCombinationProvisionalInformationInitialIncompleteAccountingAdjustmentsConsiderationTransferredInvestmentHeldPreviously" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_IssueSizeMember" abstract="true" name="IssueSizeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_OtherCountriesMember" abstract="true" name="OtherCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_BuildingandLeaseholdImprovementsMember" abstract="true" name="BuildingandLeaseholdImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_VentureCapitalInvestmentFundTheFundOneMember" abstract="true" name="VentureCapitalInvestmentFundTheFundOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ilmn_DebtInstrumentRenewalTerm" abstract="false" name="DebtInstrumentRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_ShareBasedPaymentArrangementLiabilityClassifiedAward" abstract="false" name="ShareBasedPaymentArrangementLiabilityClassifiedAward" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DebtInstrumentConvertibleEffectiveConversionRatePeriod" abstract="false" name="DebtInstrumentConvertibleEffectiveConversionRatePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_TheCreditAgreementMember" abstract="true" name="TheCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_LicensedTechnologyMember" abstract="true" name="LicensedTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationships" abstract="false" name="BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationships" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ConsumablesMember" abstract="true" name="ConsumablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings" abstract="false" name="DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessAcquisitionPeriodForContingentConsiderationToBeRepayable" abstract="false" name="BusinessAcquisitionPeriodForContingentConsiderationToBeRepayable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_InvestmentPortfolioMember" abstract="true" name="InvestmentPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_NumberOfInvestmentFunds" abstract="false" name="NumberOfInvestmentFunds" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ilmn_HelixHoldingsILLCMember" abstract="true" name="HelixHoldingsILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeBaseSalaryPercent" abstract="false" name="DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeBaseSalaryPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_PaymentRightsOfOneBillionEachTwelveYearsMember" abstract="true" name="PaymentRightsOfOneBillionEachTwelveYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_PaymentsForStrategicInvestments" abstract="false" name="PaymentsForStrategicInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsForfeitedValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsForfeitedValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_TermNotesDue2031Member" abstract="true" name="TermNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ContingentPaymentRightsAxis" abstract="true" name="ContingentPaymentRightsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/> |
| <xs:element id="ilmn_DebtInstrumentCovenantMinimumDebtToEBITDARatio" abstract="false" name="DebtInstrumentCovenantMinimumDebtToEBITDARatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="ilmn_BusinessCombinationContingentConsiderationNumberOfSharesIssued" abstract="false" name="BusinessCombinationContingentConsiderationNumberOfSharesIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ilmn_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" abstract="false" name="DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_NoncontrollingInterestLossPercentageAttributableToParent" abstract="false" name="NoncontrollingInterestLossPercentageAttributableToParent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_GainLossOnExchangeOfContingentConsideration" abstract="false" name="GainLossOnExchangeOfContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ContingentValueRightUnrealizedGainLossNoncash" abstract="false" name="ContingentValueRightUnrealizedGainLossNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_LesseeOperatingLeaseArea" abstract="false" name="LesseeOperatingLeaseArea" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/> |
| <xs:element id="ilmn_DebtInstrumentCovenantMinimumDebtToEBITDARatioUponConsummationOfAcquisition" abstract="false" name="DebtInstrumentCovenantMinimumDebtToEBITDARatioUponConsummationOfAcquisition" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="ilmn_DebtInstrumentNumberOfRenewals" abstract="false" name="DebtInstrumentNumberOfRenewals" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="ilmn_BusinessCombinationAndGoodwillAndIntangibleAssetsDisclosureTextBlock" abstract="false" name="BusinessCombinationAndGoodwillAndIntangibleAssetsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="ilmn_PerformanceSharesGrantedIn2020Member" abstract="true" name="PerformanceSharesGrantedIn2020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_StockIssuedDuringPeriodNetOfRepurchasesShares" abstract="false" name="StockIssuedDuringPeriodNetOfRepurchasesShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ilmn_PerformanceSharesGrantedIn2019Member" abstract="true" name="PerformanceSharesGrantedIn2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_EffectiveIncomeTaxRateReconciliationAcquisitionsRelatedItemsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationAcquisitionsRelatedItemsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_EffectiveIncomeTaxRateReconciliationOfficerCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationOfficerCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_PaymentOfAccretedDebtDiscount" abstract="false" name="PaymentOfAccretedDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_RevenueFromContractWithCustomerPaymentTerm" abstract="false" name="RevenueFromContractWithCustomerPaymentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_BusinessAcquisitionContingentValueRightsProRataOnePercentage" abstract="false" name="BusinessAcquisitionContingentValueRightsProRataOnePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_BusinessAcquisitionEquityOrDebtFinancingThreshold" abstract="false" name="BusinessAcquisitionEquityOrDebtFinancingThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_TermNotesDue2023Member" abstract="true" name="TermNotesDue2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_LiabilityBasedAwardsMember" abstract="true" name="LiabilityBasedAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardAggregateIntrinsicValueNonvested" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardAggregateIntrinsicValueNonvested" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_RemainingCapitalCommitment" abstract="false" name="RemainingCapitalCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_GainLossOnStrategicInvestmentsNoncash" abstract="false" name="GainLossOnStrategicInvestmentsNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ShareBasedPaymentArrangementPerformanceStockOptionMember" abstract="true" name="ShareBasedPaymentArrangementPerformanceStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ConvertibleSeniorNotesDue2023Member" abstract="true" name="ConvertibleSeniorNotesDue2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_StockIssuedDuringPeriodNetOfRepurchasesValue" abstract="false" name="StockIssuedDuringPeriodNetOfRepurchasesValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_CoreIlluminaMember" abstract="true" name="CoreIlluminaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFive" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessAcquisitionContingentValueRightsProRataTwoPercentage" abstract="false" name="BusinessAcquisitionContingentValueRightsProRataTwoPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_IncreaseDecreaseOfOperatingLeasesNet" abstract="false" name="IncreaseDecreaseOfOperatingLeasesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DebtInstrumentConvertibleThresholdPercentageOfNotePriceTrigger" abstract="false" name="DebtInstrumentConvertibleThresholdPercentageOfNotePriceTrigger" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_VentureCapitalInvestmentFundTheFundTwoMember" abstract="true" name="VentureCapitalInvestmentFundTheFundTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssets" abstract="false" name="PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ConcentrationRiskThreshold" abstract="false" name="ConcentrationRiskThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_BusinessCombinationConsiderationTransferredInvestmentHeldPreviously" abstract="false" name="BusinessCombinationConsiderationTransferredInvestmentHeldPreviously" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_RevenueRecognitionMultipleDeliverableArrangementsDeliveryTimeFrame" abstract="false" name="RevenueRecognitionMultipleDeliverableArrangementsDeliveryTimeFrame" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_IncomeTaxExpenseBenefitFinalizationOfCourtCase" abstract="false" name="IncomeTaxExpenseBenefitFinalizationOfCourtCase" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ConvertibleSeniorNotesDue2021Member" abstract="true" name="ConvertibleSeniorNotesDue2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_OtherAcquisitionMember" abstract="true" name="OtherAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeOtherCompensationPercent" abstract="false" name="DeferredCompensationPlanMaximumAnnualContributionsPerEmployeeOtherCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="ilmn_EffectiveIncomeTaxRateReconciliationCostSharingAdjustments" abstract="false" name="EffectiveIncomeTaxRateReconciliationCostSharingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BridgeFacilityMember" abstract="true" name="BridgeFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_TermNotesMember" abstract="true" name="TermNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ContingentValueUnrealizedGainLoss" abstract="false" name="ContingentValueUnrealizedGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessAcquisitionContingentValueRightsTerm" abstract="false" name="BusinessAcquisitionContingentValueRightsTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_PaymentRightsOfAboveOneBillionEachTwelveYearsMember" abstract="true" name="PaymentRightsOfAboveOneBillionEachTwelveYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_SequencingMember" abstract="true" name="SequencingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_SwinglineBorrowingsMember" abstract="true" name="SwinglineBorrowingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_MicroarrayMember" abstract="true" name="MicroarrayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_A2015StockAndIncentiveCompensationPlanMember" abstract="true" name="A2015StockAndIncentiveCompensationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_InstrumentsMember" abstract="true" name="InstrumentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ProceedsFromStrategicInvestments" abstract="false" name="ProceedsFromStrategicInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_SeniorLevelEmployeeMember" abstract="true" name="SeniorLevelEmployeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_BusinessCombinationContingentConsiderationLiabilityMember" abstract="true" name="BusinessCombinationContingentConsiderationLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ContinuationAdvancesMember" abstract="true" name="ContinuationAdvancesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_OtherNonoperatingIncomeExpenseMiscellaneous" abstract="false" name="OtherNonoperatingIncomeExpenseMiscellaneous" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_BusinessCombinationContingentValueRightsExchanged" abstract="false" name="BusinessCombinationContingentValueRightsExchanged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="ilmn_BusinessCombinationAndGoodwillAndIntangibleAssetsAbstract" abstract="true" name="BusinessCombinationAndGoodwillAndIntangibleAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="ilmn_PacificBiosciencesofCaliforniaIncPacBioMember" abstract="true" name="PacificBiosciencesofCaliforniaIncPacBioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ContingentValueRightFairValueDisclosure" abstract="false" name="ContingentValueRightFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_ContingentPaymentRightsDomain" abstract="true" name="ContingentPaymentRightsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_ReplacementAwardsMember" abstract="true" name="ReplacementAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_SBNorthstarLPMember" abstract="true" name="SBNorthstarLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="ilmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityNoncurrent" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="ilmn_DebtInstrumentConvertibleObservationPeriod" abstract="false" name="DebtInstrumentConvertibleObservationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="ilmn_GRAILInc.Member" abstract="true" name="GRAILInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| </xs:schema> |