ILMN


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:CostOfRevenue

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:GrossProfit

us-gaap:OperatingExpenses

us-gaap:ResearchAndDevelopmentExpense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ProfitLoss

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:AssetsCurrent

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:StatementClassOfStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsRevenueThreshold
us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionTerminationFee
us-gaap:BusinessAcquisition
ilmn:BusinessCombinationContinuationPayments
us-gaap:BusinessAcquisition
ilmn:BusinessCombinationThresholdOfContinuationPayments
dei:LegalEntity
ilmn:ContingentValueUnrealizedGainLoss

ilmn:CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets

ilmn:IncreaseDecreaseOfOperatingLeasesNet

ilmn:PaymentsForProceedsFromStrategicInvestments
us-gaap:StatementEquityComponents
ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodShares

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AmortizationOfDebtDiscountPremium
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleStockPriceTrigger

us-gaap:Depreciation

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeInterest

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition, us-gaap:StatementScenario
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualWarrantiesIssued
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost

dei:EntityCommonStockSharesOutstanding
ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsProRataOnePercentage
ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsProRataTwoPercentage
us-gaap:BusinessAcquisition
ilmn:BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
ilmn:ContingentValueRightFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
ilmn:RemainingCapitalCommitment

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:AssetsNet
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:ContractWithCustomerLiability
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:LongtermDebtType
us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationPlanAssets
us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:BusinessAcquisition
us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:ProductWarrantyAccrual

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligationPercentage
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet

Tables

  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:CommonStockValue ███████████████▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▁2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.8591.8491.8291.8231.8051.7941.7851.7781.7531.7391.7261.7111.7031.691.6851.6811.6681.6611.6511.6081.516NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock████▆▆▃▃▁▁▁▁194.0194.0194.0194.0193.0193.0192.0192.0191.0191.0191.0191.0NANANA188.759NANANA186.663NANANA181.332NANANA175.205NANANA170.171NANANANANANANA151.513NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:TreasuryStock██▆▆▄▃▃▃▁▁▁▁48.048.047.047.046.045.045.045.044.044.044.044.0NANANA42.563NANANA40.079NANANA37.703NANANA47.482NANANA46.228NANANANANANANA-24.904NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▄▄▄148.0148.0148.0NA148.0149.0149.0NA149.0148.0148.0NA148.0147.0147.0NA147.901147.889148.357NA149.672148.969148.683NA147.512149.121150.619NA140.601139.377123.768NA132.507133.011133.859NA135.966141.765153.129NA145.205140.951136.407
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁██146.0147.0147.0NA147.0147.0147.0NA147.0147.0147.0NA146.0146.0146.0NA146.705146.778146.866NA145.349144.22143.771NA141.142130.583128.146NA125.465124.362123.768NA122.93123.214122.642NA122.079123.456126.517NA124.684123.095120.668
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANA1.0NANANA1.0NANANANANANANA1.0NA0.0630.6990.978NA0.0130.0040.003NA0.0540.1570.124NA0.3171.68432.942NA2.7273.3482.538NA1.5431.1940.831NA2.5181.48NA
us-gaap:EarningsPerShareBasic ▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▃▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂1.220.321.181.631.592.011.581.431.351.421.420.471.120.872.50.840.880.830.610.720.810.710.951.080.660.360.470.640.250.29-0.180.580.240.190.210.10.170.250.190.310.280.240.18
us-gaap:EarningsPerShareDiluted ▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▃▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂1.210.321.171.611.581.991.571.411.331.411.410.461.110.872.480.840.870.820.60.70.790.690.921.030.630.310.40.560.220.26-0.180.530.220.180.20.090.150.220.160.250.240.210.16
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
 COGS Ratio us-gaap:ProductOrService us-gaap:Product▇▁█676.0527.0701.0NA746.0704.0667.0738.0710.0673.0628.0658.0596.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:ServiceOther▃▁█118.0106.0158.0NA161.0134.0179.0129.0143.0157.0154.0119.0118.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ilmn:CoreIllumina▅▂▆█▇▆▆▆▆▆▅▅▃▂▁▂▁794.0633.0859.0952.0907.0838.0846.0867.0855.0829.0783.0776.0715.0664.0598.0636.0615.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
 TTM Greenblatt ROC _ _▄▂▅▇█▅▅▅▆▆▆▆▅▃▁▃▄▄▃162.096.0189.0268.0308.0205.0204.0197.0241.0227.0218.0230.0181.0143.052.0143.016160.702161.869121.445NA140.782151.933176.126202.883119.493100.23992.09673.78445.46460.006-45.14759.34648.81442.9849.61227.29936.76466.0169.38868.667NANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▅▇██▇▇▇▇▇▆▆▆▅▅▅▅▅▄▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▁▂▂▂▁▁▁794.0633.0859.0953.0907.0838.0846.0867.0853.0830.0782.0778.0714.0662.0598.0619.347607.139600.124571.763591.548550.271539.378538.565512.379480.63447.568420.781387.326356.8346.094330.958309.265285.874280.607272.77250.071235.499287.45282.515261.298237.309212.003192.131
us-gaap:CostOfRevenue ▇▃▅█▆▆▆▇▆▆▅▅▄▄▄▃▁▁▁268.0205.0240.0290.0259.0265.0262.0277.0256.0255.0244.0235.0232.0228.0230.0199.908180.989176.319174.709NA162.732163.013163.538127.442146.689147.028142.489128.08146.86122.685111.666105.61890.00187.6191.75979.48578.38494.09494.47495.17280.16465.91259.953
us-gaap:CostOfGoodsAndServicesSold ▇▃▅█▆▆▆▇▆▆▅▅▄▄▄▃▁▁▁268.0205.0240.0290.0259.0265.0262.0277.0256.0255.0244.0235.0232.0228.0230.0199.908180.989176.319174.709NA162.732163.013163.538127.442146.689147.028142.489128.08146.86122.685111.666105.61890.00187.6191.75979.48578.38494.09494.47495.17280.16465.91259.953
us-gaap:GrossProfit ▆▅▇██▇▇▇▇▇▆▆▆▅▄▅▅▅▄▅▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁526.0428.0619.0662.0648.0573.0584.0590.0597.0575.0538.0542.0482.0434.0368.0419.439426.15423.805397.054410.359387.539376.365375.027384.937333.941300.54278.292259.246209.94223.409219.292203.647195.873192.997181.011170.586157.115193.356188.041166.126157.145146.091132.178
us-gaap:OperatingExpenses ▅▄█▇▄▅▆▆▅▅▃▃▃▂▃▂▁▁▂364.0332.0430.0394.0340.0368.0380.0393.0356.0348.0320.0312.0301.0291.0316.0276.423265.448261.936275.609NA246.757224.432198.901182.054214.448200.301186.196185.462164.476163.403264.439144.301147.059150.017131.399143.287120.351127.346118.65397.45999.8198.66393.953
us-gaap:ResearchAndDevelopmentExpense ▇▅▅▆▅▇▇█▆▅▃▃▂▂▄▂▁▁▁172.0155.0156.0161.0151.0166.0169.0176.0159.0151.0137.0137.0134.0130.0145.0129.915125.917124.589123.994NA99.22696.18291.772142.94785.08282.98577.04176.72870.95767.60861.4556.90754.05671.22348.83945.51350.39950.80150.245.80144.80443.66743.675
us-gaap:SellingGeneralAndAdministrativeExpense ▄▃█▆▄▄▅▅▄▄▃▃▂▃▂▁▁▁▂192.0177.0274.0233.0189.0202.0211.0217.0197.0197.0183.0175.0167.0169.0163.0146.091139.146148.535149.233NA136.648124.441116.317122.173119.888114.649109.573111.64995.61788.785.07479.71569.79168.51667.96960.91866.03169.23365.93162.5755.00653.13550.278
us-gaap:OperatingIncomeLoss ▄▂▅▇█▅▅▅▆▆▆▆▅▃▁▃▄▄▃162.096.0189.0268.0308.0205.0204.0197.0241.0227.0218.0230.0181.0143.052.0143.016160.702161.869121.445NA140.782151.933176.126202.883119.493100.23992.09673.78445.46460.006-45.14759.34648.81442.9849.61227.29936.76466.0169.38868.66757.33547.42838.225
us-gaap:InterestExpense ▃▃▃▃▃▅▅█▅▃▃▃▂▁▁▁▁▁▁11.011.011.011.011.015.015.020.015.011.011.011.010.08.08.08.3018.2088.1478.525NA12.82111.20511.16411.07610.9879.9229.7439.9449.95410.0459.7479.5869.4839.5089.2029.1858.7979.4187.396.3196.196.1345.955
us-gaap:OtherNonoperatingIncomeExpense ▂▃▁▂▁▄▂▂▁▂▂▂▂▂█▂▂▂▂59.073.0-14.0-4.0-43.0136.021.019.0-8.05.09.0-2.00.01.0455.0-3.588-0.186-0.151.452NA-4.711-0.9-1.191-0.693-1.024-31.3150.4790.320.37-1.323-0.714-0.6060.855-0.07-2.663-0.035-1.564-9.549-27.53-13.1970.7743.481-1.113
us-gaap:AllocatedShareBasedCompensationExpense █▁▄▆▅▆▆▆▆▆▆▅▄▄▆▃▄▃▄61.017.039.049.045.048.051.047.048.050.048.041.034.039.050.027.2234.58331.9735.292NA32.22932.95731.91838.46244.66935.99633.42429.74627.40924.45224.21924.17623.07224.04723.02921.81624.57123.66622.03919.84117.9616.845NA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▁▃215.0165.0178.0NA270.0346.0233.0NA232.0232.0221.0NA175.0141.0503.0NA154.364156.975115.596NA128.917141.172178.046NA112.443NANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▂▃▁▂▁▄▂▂▁▂▂▁▁▂█▁▁▁▁53.069.0-11.01.0-38.0141.029.012.0-9.05.03.0-7.0-6.0-2.0451.0-8.773-6.338-4.894-5.849NA-11.865-10.7611.92-10.822-7.05-39.773-8.30846.585-8.317-10.646-2.41544.557-5.169-8.193-9.339-7.077-8.973-16.986-33.38-17.884-2.625-0.902-4.864
us-gaap:IncomeTaxExpenseBenefit ▂▆▁▂▂▃▁▁▃▂▂█▂▂█▂▂▃▂36.0118.05.030.036.053.09.012.044.032.024.0166.023.021.0155.026.70137.42940.58128.377NA13.29638.92541.38838.78118.95413.86123.81139.7085.7913.483-24.97532.013.89711.38614.0718.5027.6418.40411.87112.34319.26316.7312.153
us-gaap:ProfitLoss ▄▁▄▅▅▇▅▅▄▅▄▁▃▃█▂▃▃▂▂▃▂▃▃▂179.047.0173.0239.0234.0293.0224.0198.0188.0200.0197.058.0152.0120.0348.0107.542116.935116.39487.219102.864115.621102.247136.658153.2893.489NANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest NA0.00.00.00.0-3.0-9.0-13.0-11.0-9.0-11.0-11.0-11.0-8.0-19.0-16.22-11.953-4.018-2.0NA-2.556NANANA0.0NANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▁▄▅▅▇▅▄▄▄▄▁▃▃█▂▂▂▂177.055.0174.0239.0234.0296.0227.0198.0187.0200.0197.056.0153.0121.0348.0105.191115.931116.7389.165NA116.062100.512140.072151.83992.517NANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▂▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂179.047.0173.0239.0234.0296.0233.0210.0199.0209.0208.068.0163.0128.0367.0123.762128.888120.41289.587104.477118.177102.247136.658153.2893.48946.60559.97780.66131.35735.877-22.58771.90329.74823.40126.20211.7220.15130.6224.13738.4435.44729.79621.208
us-gaap:ComprehensiveIncomeNetOfTax ▄▁▄▅▅▆▅▄▄▄▄▁▃▃█▂▃▂▂177.055.0174.0239.0234.0299.0236.0211.0198.0209.0208.067.0164.0129.0367.0121.411127.884120.74891.533NA118.618100.512140.072151.83992.51746.7359.95180.52731.56235.337-23.00771.57929.99223.34226.34711.75119.8931.84723.49237.6435.39929.757NA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest NA0.00.00.00.0-3.0-9.0-13.0-11.0-9.0-11.0-11.0-11.0-8.0-19.0-16.22-11.953-4.018-2.0-1.613-2.556NANANA0.0NANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:Assets █████▇█▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▂▁▁7404.07248.07261.07316.07089.06973.07390.06959.06759.05851.05542.05257.05046.04858.04598.04280.64227.8273985.093793.7063687.7473733.5483703.1253499.0933339.643278.2063035.0553053.573019.0062817.6962823.2022744.1882566.0852437.9832348.7382301.4742195.842147.0592256.9862123.1491839.113NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇█▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▂▁▁7404.07248.07261.07316.07089.06973.07390.06959.06759.05851.05542.05257.05046.04858.04598.04280.64227.8273985.093793.7063687.7473733.5483703.1253499.0933339.643278.2063035.0553053.573019.0062817.6962823.2022744.1882566.0852437.9832348.7382301.4742195.842147.0592256.9862123.1491839.113NANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:AssetsCurrent █▇██▇▇██▇▅▅▅▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁4329.04194.04324.04451.04222.04156.04545.04490.04262.03337.03194.02980.02805.02643.02517.02318.0912277.8362143.0212073.7982096.8232210.4282237.6912060.2811889.6031906.9541620.7211631.9431617.5351537.6461646.3911550.7731787.0481646.2361664.3721637.2911544.6191504.2141623.3151511.4731258.398NANANA
us-gaap:ShortTermInvestments ▅▅▄▅▄▄▄█▇▄▃▃▂▂▃▃▂▁▂▂▃▃▃▂▁▁▂▁▁▁▂▃▃▃▃▃▃▃▂▂1563.01498.01341.01372.01351.01230.01345.02368.02043.01168.0813.0920.0687.0674.0797.0824.208741.569473.594588.182617.45887.877919.325832.952702.217441.532427.835573.289453.966336.155345.852624.388916.223889.977985.2741006.169886.59902.344972.83724.297645.342NANANA
us-gaap:AccountsReceivableNetCurrent ▆▅▆█▇▆▆▇▆▅▅▅▅▅▄▅▅▅▅▅▅▄▄▃▃▃▃▂▂▂▂▂▂▁▂▁▁▁▁▁464.0385.0472.0573.0541.0470.0457.0514.0433.0395.0400.0411.0383.0372.0368.0381.316381.632372.48402.514385.529413.474368.611350.044289.458276.675258.694293.045238.946235.437207.413210.831214.975218.145188.562202.234173.886169.052193.431181.924165.598NANANA
us-gaap:InventoryNet ██▇▆██▇▇▇▆▆▆▆▅▅▅▅▅▅▄▃▃▃▂▃▂▂▂▂▂▂▂▁▁▁▁▁▁▂▁415.0435.0384.0359.0417.0420.0412.0386.0374.0362.0350.0333.0327.0309.0299.0300.17312.242311.364287.919270.777233.781223.62205.184191.144199.298177.534164.231154.099159.866168.07167.959158.718147.684133.844128.684128.781139.265142.583150.708142.211NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▇▆█▆▆▅▄▅▄▄▄▅▃▄▄▅▃▂▂▃▅▅▅▂▃▂▃▁▂▃▂▂▁▁▁▂▂▂126.0106.0136.0105.098.093.061.078.066.068.071.091.054.069.072.077.88147.69633.92140.27354.29780.0383.40289.45929.84457.62436.50842.51622.81128.87756.55830.52532.720.11216.36617.31829.19638.58530.937NA36.922NANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:AmortizationOfIntangibleAssets ▂▂▁▁▅▅▅▅▅▅▃▅▇▇▇████8.08.07.07.010.010.010.010.010.010.09.010.012.012.012.012.90912.90812.59812.545NA14.28613.2513.34812.8311.89112.13413.81413.43813.51511.398.7725.9644.2023.4663.4684.5453.0353.0352.9852.2952.2951.5951.62
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▇▇▆▆███▇▇▆▆▅▅▅▄▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁910.0890.0890.0889.0875.0854.0852.01075.01060.01036.0983.0931.0862.0837.0734.0713.334633.856511.354385.253342.694308.722302.84280.628265.264247.643230.113210.372202.666193.649187.362186.792166.167154.869147.917143.494143.483135.393129.762125.185129.874NANANA
us-gaap:Goodwill ██▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▂▂▁▁▁▁▁▁▁897.0894.0824.0824.0824.0824.0831.0831.0831.0831.0775.0771.0771.0771.0771.0775.995775.995775.995776.029752.629756.687724.904724.904724.904724.887721.648723.259723.061667.192596.588604.493369.327370.189321.853321.853321.853321.853321.853320.543278.206NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▃▃▃▃▃▃▄▄▄▅▄▄▄▄▅▆▆▆▆▆▇▇▇█▇▇██▇▇▇▃▃▂▂▂▂▂▂▁149.0156.0138.0145.0152.0162.0175.0185.0195.0205.0168.0175.0185.0196.0207.0242.652255.56268.469269.576273.621286.346288.177301.302314.5299.345304.85316.984331.173297.911304.469307.214130.196134.82989.007103.007106.475109.767112.708118.41970.024NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▄▃▃▄█545.0549.0559.0555.0555.0558.0574.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ██▆▆▅▅▅▅▅▅▅▅▅▅▄▂▂▂▂▂▂▂▁▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁555.0552.0435.0388.0373.0350.0326.0308.0325.0334.0322.0312.0306.0308.0286.0107.211102.45899.78992.85287.46584.53882.7968.85695.52159.64887.59769.67656.09178.00278.67773.2773.16477.4576.7369.3559.73556.47652.35845.52263.114NANANA
us-gaap:EquitySecuritiesFvNi █▆▄▃▄▅▁▁234.0176.0109.0106.0110.0157.041.039.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:LiabilitiesCurrent ▅▅▅▃▃▃▅██▅▅▃▃▃▃▃▃▃▂▃▃▃▃▃▄▃▅▁▂▂▂▁▁▁▁▁▁▁▁▂1115.01115.01054.0665.0619.0612.01241.01804.01735.01217.01180.0746.0665.0682.0721.0704.665628.855581.507481.228610.494583.857725.053710.251722.158856.401649.2071149.779322.063418.925418.88409.941304.571303.099299.141292.926237.58297.213284.455345.313534.517NANANA
us-gaap:LongTermDebtCurrent ███▁▁507.0503.0499.00.00.0NA631.01107.01107.0625.0620.010.02.05.01.01.251.250.511NA74.929102.166NANA304.256301.119298.018848.01629.28828.8129.73137.64136.96736.30735.6635.0250.033.79340.649111.323311.609NANANA
us-gaap:AccountsPayableCurrent ▅▄▄▄▄▄▄▆▅▄▅▅▅▅▄▄▄█▅▄▄▃▃▂▃▂▂▂▁▂▂▂▂▁▁▁▁▁▂▂156.0135.0130.0149.0143.0139.0137.0184.0156.0149.0151.0160.0158.0175.0142.0137.93134.09250.67154.68139.226123.432107.884106.67482.62696.06991.51386.47173.65563.12667.64876.62765.72774.97156.66859.86149.80652.24958.2766.28766.744NANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▇▆▆▆▆▆▆▅▅▅▆▅▅▆▆▅▅▇█▄▃▂▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁75.068.055.064.058.064.064.063.048.045.051.055.053.051.057.054.99453.65351.9369.91678.96339.2729.44821.05224.58320.55219.61819.63418.88117.2513.24714.1489.73110.46110.38414.51110.4369.68912.592NA9.476NANANA
us-gaap:TaxesPayableCurrent ▃▃▄▇█▅▇▇█▅▄▃▂▂▆▁▁▂▂▃▁46.044.054.086.096.066.083.082.094.067.059.050.041.035.077.032.0430.85540.15842.28844.15929.457NANA38.942NANANANANANANANANANANANANANANANANANANA
us-gaap:AccruedLiabilitiesCurrent ▇▇▆█▇▇▇█▇▆▆▆▅▅▅▅▄▄▄▆▅▄▄▄▄▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁452.0477.0425.0516.0476.0473.0473.0513.0450.0422.0388.0432.0381.0378.0386.0342.751315.204330.326326.548396.339358.259314.722296.15335.276304.133259.676215.292219.12199.977198.788188.751201.877191.821206.813198.04187.774211.171185.536167.703156.164NANANA
us-gaap:OperatingLeaseLiabilityCurrent █▄▂▂▄▁54.048.046.045.049.044.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▂▂▃▆▄▆▆█▂▆▂▁154.0153.0158.0167.0161.0167.0169.0175.0154.0168.0153.0150.0NANA150.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:LongTermDebtNoncurrent ▁▁▁▇▇▇▇▄▄▂▂███▆▆▆▆▆▆▆666.0659.0652.01141.01131.01120.01112.0890.0860.0723.0710.01182.01180.01169.01055.01047.8051040.7651031.371022.6461015.6491007.935NANA986.78NANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▅▅▅▅▅▅█████▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▅▃▃▂▂▂▁▁▁▁245.0230.0224.0202.0209.0211.0212.0359.0352.0343.0364.0360.0222.0212.0212.0213.955204.273198.568185.526180.505173.061183.331171.739167.904167.656188.87191.398191.221192.807192.167206.195134.369111.6975.34162.33369.95442.89738.51235.98628.531NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▇▇▆█678.0681.0696.0695.0691.0698.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ████▇▇▆▆▅▅▄▃▃▃▃▂▂▂▂▁▁4700.04563.04635.04613.04439.04332.04070.03845.03594.03351.03073.02749.02855.02715.02551.02270.2352319.6772139.9122070.9231848.5531936.567NANA1462.798NANANA1533.202NANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ███████████████▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▁2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.8591.8491.8291.8231.8051.7941.7851.7781.7531.7391.7261.7111.7031.691.6851.6811.6681.6611.6511.6081.516NANANA
us-gaap:AdditionalPaidInCapital ██▇▇▇▆▆▆▄▄▃▃▃▃▃▃▃▂▂▁▁3737.03649.03631.03560.03510.03436.03385.03290.03093.02939.02897.02833.02891.02836.02798.02733.3942738.0012664.8652617.6812497.5012454.876NANA2172.94NANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▆▆▆▅▅▅▅▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁4466.04287.04240.04067.03828.03594.03298.03083.02872.02673.02464.02256.02188.02025.01897.01485.4141361.6521232.7641112.3521022.765918.288800.111697.864561.206407.926314.437267.832207.855127.18795.83759.9682.54710.64-19.108-42.51-68.707-80.432-100.584-131.204-155.335NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇█▄▄▄▄▃▁▁▁▁▁12.014.06.05.05.05.02.0-1.0-2.0-1.0-1.0-1.0NANA-1.0-1.0371.3142.3181.9820.0361.040.5992.334-1.080.3611.3331.2081.2341.3681.1631.7032.1232.4472.2032.2632.1172.0862.3471.121.765NANANA
us-gaap:TreasuryStockValue ██▇▇▇▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁3517.03389.03244.03021.02906.02705.02702.02616.02462.02356.02354.02341.02226.02148.02145.02022.4291862.7021846.0541742.7821673.6081439.4861396.8081390.6651272.0731236.9511294.0411379.1881240.3451240.2871240.2091215.1021187.6231163.5321143.0461110.5471109.7631109.755905.674877.616541.559NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁▅▆▆▆▆▆▆▆▆▅▄▅▆▃▄▃▄61.016.039.050.045.048.051.048.047.050.048.041.034.039.050.027.04434.07331.98135.44NANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▄▅█▅▃▄▆▅▅▅▅▄▃▃▅▃▄▁153.0240.0281.0443.0267.0143.0198.0300.0292.0295.0255.0294.0235.0178.0168.0280.153150.3217.04739.738NA180.994171.44566.779140.549145.605178.0337.087126.83983.13688.60687.8478.87651.22896.32965.44108.390.04271.2288.57881.48154.82877.19959.065
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▃▄▄▄▅█▃▁▂▄▃▄▅▅▄▃▅▄-65.0-320.0-135.0-104.0-218.079.0988.0-348.0-940.0-537.012.0-315.0-97.035.0163.0-173.292-341.23143.537-43.553NA-38.927-142.47-154.147-332.783-44.231114.777-144.387-150.81-101.295247.477-65.02118.611-17.105-9.648-141.87-42.9667.101-272.264-152.876-70.057-93.872-96.46-24.664
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▃▄▃▁▄▃█▄▅▄▄▄▄▃▄▄▄-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.0651.030.067.0-109.0-5.024.0-86.0-163.49234.473-63.345-12.349NA-180.89727.81-12.5340.20255.495-136.521-85.92443.556-75.0535.784-13.006-6.042-8.065-30.26433.6167.848-187.8351.517225.48126.54412.40843.21634.306
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▂▂▄▂▁█▂▃▂▄-9.0-221.0-51.0227.0-128.0-327.01126.0-202.02.0-216.0335.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▄▅█▅▃▄▆▅▅▅▅▄▃▃▅▃▄▁153.0240.0281.0443.0267.0143.0198.0300.0292.0295.0255.0294.0235.0178.0168.0280.153150.3217.04739.738NA180.994171.44566.779140.549145.605178.0337.087126.83983.13688.60687.8478.87651.22896.32965.44108.390.04271.2288.57881.48154.82877.19959.065
us-gaap:NetIncomeLoss ▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▂▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂179.047.0173.0239.0234.0296.0233.0210.0199.0209.0208.068.0163.0128.0367.0123.762128.888120.41289.587104.477118.177102.247136.658153.2893.48946.60559.97780.66131.35735.877-22.58771.90329.74823.40126.20211.7220.15130.6224.13738.4435.44729.79621.208
us-gaap:ProfitLoss ▄▁▄▅▅▇▅▅▄▅▄▁▃▃█▂▃▃▂▂▃▂▃▃▂179.047.0173.0239.0234.0293.0224.0198.0188.0200.0197.058.0152.0120.0348.0107.542116.935116.39487.219102.864115.621102.247136.658153.2893.489NANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable █▁▁▆█▅▃█▆▅▄▆▅▅▄▅▅▄▅82.0-91.0-99.029.075.010.0-56.081.036.0-1.0-11.027.013.02.0-16.01.768.491-26.1212.63NA46.1215.71559.47412.64820.544-34.96752.1563.42424.458-5.825-6.129-2.60423.832-15.94529.1584.467-18.2079.63911.112-4.90818.914-6.950.788
us-gaap:IncreaseDecreaseInInventories ▄█▆▁▅▅▆▆▅▅▆▅▆▅▅▄▅▆▆-19.051.024.0-58.0-3.010.026.013.012.011.017.06.018.010.0-1.0-12.0711.17123.43717.149NA11.07218.48214.044-8.15121.50613.1969.991-6.615-7.9610.0938.26610.2478.654.969-0.159-12.837-4.791-8.4743.9512.128.69719.5858.181
us-gaap:IncreaseDecreaseInAccountsPayable ▆▅▄▆▅▆▁█▆▅▅▅▆▅▅▆▄▆▅11.03.0-16.011.0-3.04.0-47.032.012.0-1.02.0-2.012.03.0-3.05.338-14.9564.5923.057NA18.8141.85128.867-16.854NANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▁▅▆▆▆▆▆▆▆▆▅▄▅▆▃▄▃▄61.016.039.049.046.048.051.047.048.050.048.041.034.039.050.027.2234.58331.9735.292NA32.22932.95731.91838.46244.66935.99633.42429.74627.40924.45224.21924.17623.07224.04723.02921.81624.57123.66622.03919.84117.9616.84516.999
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▃▄▄▄▅█▃▁▂▄▃▄▅▅▄▃▅▄-65.0-320.0-135.0-104.0-218.079.0988.0-348.0-940.0-537.012.0-315.0-97.035.0163.0-173.292-341.23143.537-43.553NA-38.927-142.47-154.147-332.783-44.231114.777-144.387-150.81-101.295247.477-65.02118.611-17.105-9.648-141.87-42.9667.101-272.264-152.876-70.057-93.872-96.46-24.664
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▁▁▃▂▂▃▅▄▆█▆▇▅▇▇▃▅▃48.039.040.057.049.047.056.065.064.077.090.076.082.069.083.081.53857.12267.81353.418NA29.45941.35136.55134.83228.82823.32419.01227.3118.9311.53421.44117.10117.6520.94613.08427.11422.18316.20312.312.38413.11213.14211.18
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▃▄▃▁▄▃█▄▅▄▄▄▄▃▄▄▄-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.0651.030.067.0-109.0-5.024.0-86.0-163.49234.473-63.345-12.349NA-180.89727.81-12.5340.20255.495-136.521-85.92443.556-75.0535.784-13.006-6.042-8.065-30.26433.6167.848-187.8351.517225.48126.54412.40843.21634.306
us-gaap:PaymentsForRepurchaseOfCommonStock ▅▆█▃█▁▃▄125.0142.0188.063.0198.00.063.098.0NANANA75.075.00.0101.0136.26713.075NANANA37.5030.034.75334.7520.072.414130.0170.00.025.025.01130.01325.032.4990.00.0204.0828.006338.3228.01NANANA
  2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01887000.01882000.01878000.01876000.01859000.01849000.01829000.01823000.01805000.01794000.01785000.01778000.01753000.01739000.01726000.01711000.01703000.01690000.01685000.01681000.01668000.01661000.01651000.01608000.01516000.01436000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

None

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302011-01-022010-01-032008-12-282007-12-30
Value194194194194193193192192191191191191188186181175170151143138125
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302011-01-022010-01-032008-12-282007-12-30
Value4848474746454545444444444240374746-24.904-24.068-17.928-14.819
Percentage of SharesIssued24.724.724.224.223.823.323.423.423.023.023.023.022.521.520.827.127.2-16.4-16.8-12.9-11.8

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-10-012017-07-022017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-282014-06-292014-03-302013-09-292013-06-302013-03-312012-09-302012-07-012012-04-012011-10-022011-07-032011-04-032010-10-032010-07-042010-04-04
Value148148148148149149149148148148147147147147148149148148147149150140139123132133133135141153145140136
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-10-012017-07-022017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-282014-06-292014-03-302013-09-292013-06-302013-03-312012-09-302012-07-012012-04-012011-10-022011-07-032011-04-032010-10-032010-07-042010-04-04
Value146147147147147147147147147146146146146146146145144143141130128125124123122123122122123126124123120
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


None
Period End2020-03-292019-03-312017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-282014-06-292014-03-302013-09-292013-06-302013-03-312012-09-302012-07-012012-04-012011-10-022011-07-032011-04-032010-10-032010-07-04
Value1.01.01.00.0630.6990.9780.0130.0040.0030.0540.1570.1240.3171.684322.7273.3482.5381.5431.1940.8312.5181.48
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1.220.321.181.631.592.011.581.431.351.421.420.471.120.872.50.840.880.830.610.720.810.710.951.080.660.360.470.640.250.29-0.180.580.240.190.210.10.170.250.190.310.280.240.18
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1.210.321.171.611.581.991.571.411.331.411.410.461.110.872.480.840.870.820.60.70.790.690.921.030.630.310.40.560.220.26-0.180.530.220.180.20.090.150.220.160.250.240.210.16
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value794633859953907838846867853830782778714662598619607600571591550539538512480447420387356346330309285280272250235287282261237212192
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value0.00.00.00.00.0-1.0-2.0-4.0-2.0-4.0-1.0-2.0-4.0-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0-0.1-0.2-0.5-0.2-0.5-0.1-0.3-0.6-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0-0.1-0.2-0.5-0.2-0.5-0.1-0.3-0.6-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ilmn:ConsolidatedVariableInterestEntities


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value0.00.00.00.00.01.02.02.03.03.02.01.02.01.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.10.20.20.40.40.30.10.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.10.20.20.40.40.30.10.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments ilmn:ConsolidatedVariableInterestEntities0.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ilmn:CoreIllumina


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-02
Value794633859952907838846867855829783776715664598636615
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.099.9100.0100.0100.0100.0100.299.9100.199.7100.1100.3100.0102.7101.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.099.9100.0100.0100.0100.0100.299.9100.199.7100.1100.3100.0102.7101.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments ilmn:CoreIllumina100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

ilmn:Consumables


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value562436620665600571556547555545504513451402387
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.868.972.269.866.268.165.763.165.165.764.565.963.260.764.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.868.972.269.866.268.165.763.165.165.764.565.963.260.764.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Consumables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Instruments


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value1149181147146133111167155128118139140136100
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.414.49.415.416.115.913.119.318.215.415.117.919.620.516.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.414.49.415.416.115.913.119.318.215.415.117.919.620.516.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Instruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:ServicesandOther


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value118106158161134179129143157154119118119107
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.916.718.417.816.021.214.916.818.919.715.316.518.017.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.916.718.417.816.021.214.916.818.919.715.316.518.017.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:ServicesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value676527701812746704667738710673628658596543491
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.183.381.685.282.284.078.885.183.281.180.384.683.582.082.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.183.381.685.282.284.078.885.183.281.180.384.683.582.082.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServiceOther


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value118106158140161134179129143157154119118
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.916.718.414.717.816.021.214.916.818.919.715.316.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.916.718.414.717.816.021.214.916.818.919.715.316.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ilmn:Consumables, ilmn:Microarray


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value6249677574758385876469
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.87.77.88.38.88.99.710.211.19.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.87.77.88.38.88.99.710.211.19.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Consumables ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Consumables, ilmn:Sequencing


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value500387553525497481472460417338318
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.061.164.457.959.356.955.355.453.351.153.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.061.164.457.959.356.955.355.453.351.153.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Consumables ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Instruments, ilmn:Microarray


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value5.03.02.04.04.06.0174.06.06.05.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.20.40.50.72.00.50.80.90.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.20.40.50.72.00.50.80.90.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Instruments ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Instruments, ilmn:Sequencing


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value109887914212910513812411213095
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.713.99.215.715.412.416.214.914.319.615.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.713.99.215.715.412.416.214.914.319.615.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Instruments ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:ServicesandOther, ilmn:Microarray


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value1915302332663451584229
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.43.52.53.87.84.06.17.46.34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.43.52.53.87.84.06.17.46.34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:ServicesandOther ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:ServicesandOther, ilmn:Sequencing


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value9991128138102113109106967778
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.514.414.915.212.213.412.812.812.311.613.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.514.414.915.212.213.412.812.812.311.613.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:ServicesandOther ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, ilmn:Microarray


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value67526979788110089947074
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.48.28.08.79.39.611.710.712.010.612.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.48.28.08.79.39.611.710.712.010.612.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, ilmn:Sequencing


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value609475632667626586610584534473417
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.775.073.673.574.769.371.570.468.371.569.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.775.073.673.574.769.371.570.468.371.569.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

ilmn:Microarray


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value866799102110147134140152112103
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.611.511.213.117.415.716.919.416.917.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.611.511.213.117.415.716.919.416.917.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Sequencing


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value708566760805728699719690630550495
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.289.488.588.886.982.684.383.180.683.182.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.289.488.588.886.982.684.383.180.683.182.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:CN


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value83798492959788771021077871877856
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.512.59.89.710.511.610.48.912.012.910.09.112.211.89.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.512.59.89.710.511.610.48.912.012.910.09.112.211.89.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CN100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Americas


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value436335477507514476473484474466440432417
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.952.955.553.256.756.855.955.855.656.156.355.558.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.952.955.553.256.756.855.955.855.656.156.355.558.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value62517773635775705855706445
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.88.19.07.76.96.88.98.16.86.69.08.26.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.88.19.07.76.96.88.98.16.86.69.08.26.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-30
Value213168221280235208210236219
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.826.525.729.425.924.824.827.225.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.826.525.729.425.924.824.827.225.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value2682052402902592652622772562552442352322282301991801761741621631631271461471421281461221111059087917978949495806559
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.832.427.930.428.631.631.031.930.030.731.230.232.534.438.532.329.829.430.629.630.230.424.930.532.933.933.141.235.433.734.231.531.233.631.833.332.733.436.433.831.131.2

None

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value2682052402902592652622772562552442352322282301991801761741621631631271461471421281461221111059087917978949495806559
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.832.427.930.428.631.631.031.930.030.731.230.232.534.438.532.329.829.430.629.630.230.424.930.532.933.933.141.235.433.734.231.531.233.631.833.332.733.436.433.831.131.2

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:Product


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value209152174195196182198184181174171173
Percentage of CostOfGoodsAndServicesSold78.074.172.575.374.069.571.571.971.071.372.874.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.324.020.321.523.421.522.821.621.822.322.024.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product30.928.824.826.127.827.326.825.926.927.726.029.0

us-gaap:ServiceOther


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value524659555971706265625550
Percentage of CostOfGoodsAndServicesSold19.422.424.621.222.327.125.324.225.525.423.421.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.36.96.17.08.48.17.37.87.97.17.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther44.143.437.334.244.039.754.343.441.440.346.242.4

None

us-gaap:GrossProfit

us-gaap:GrossProfit


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value526428619662648573584590597575538542482434368419426423397410387376375384333300278259209223219203195192181170157193188166157146132
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.267.672.169.571.468.469.068.170.069.368.869.767.565.661.567.770.270.669.469.470.469.869.675.169.567.166.166.958.864.666.365.868.568.866.468.266.767.366.663.666.268.968.8

None

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value36433243039434036838039335634832031230129131627626526127524622419818221420018618516416326414414715013114312012711897999893
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.852.450.141.337.543.944.945.341.741.940.940.142.244.052.844.643.743.648.244.841.636.935.544.644.844.347.946.147.279.946.751.453.548.257.351.144.342.037.342.146.548.9

None

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value17215515616115116616917615915113713713413014512912512412399969114285827776706761565471484550505045444343
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.724.518.216.916.619.820.020.318.618.217.517.618.819.624.221.020.720.821.718.017.817.027.917.718.518.319.819.919.518.618.418.925.417.918.221.417.717.817.518.920.622.7

None

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value192177274233189202211217197197183175167169163146139148149136124116122119114109111958885796968676066696562555350
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.228.031.924.420.824.124.925.023.123.723.422.523.425.527.323.622.924.826.124.823.121.623.824.925.626.028.826.825.625.725.824.424.424.924.428.024.123.323.923.225.126.2

None

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value162961892683082052041972412272182301811435214316016112114015117620211910092734560-45.147594842492736666968574738
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.415.222.028.134.024.524.122.728.327.327.929.625.421.68.723.126.527.021.225.628.232.739.624.922.421.919.012.717.3-13.619.217.115.318.210.915.623.024.626.324.222.419.9

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value0.00.00.00.00.01.01.00.01.01.01.00.0-1.02.0
Percentage of OperatingIncomeLoss0.00.00.00.00.00.50.50.00.40.50.40.0-0.73.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.10.10.00.10.10.10.0-0.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.0-100.0-50.0-0.0-50.0-25.0-100.0-0.025.0-200.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ilmn:ConsolidatedVariableInterestEntities


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-02
Value0.00.00.00.0-6.0-18.0-26.0-23.0-20.0-21.0-20.0-22.0-16.0-34.0-31.0-25.0
Percentage of OperatingIncomeLoss0.00.00.00.0-2.9-8.8-13.2-9.5-8.8-9.6-8.7-12.2-11.2-65.4-21.7-15.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.7-2.1-3.0-2.7-2.4-2.7-2.6-3.1-2.4-5.7-5.0-4.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments ilmn:ConsolidatedVariableInterestEntities0.00.00.00.00.0-1800.0-1300.0-1150.0-666.7-700.0-1000.0-2200.0-800.0-3400.00.00.0

us-gaap:OperatingSegments, ilmn:CoreIllumina


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-02
Value1629618926830821122122226424623824920316084182191
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0102.9108.3112.7109.5108.4109.2108.3112.2111.9161.5127.3118.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.415.222.028.134.025.226.125.630.929.630.432.028.424.214.029.431.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments ilmn:CoreIllumina20.415.222.028.234.025.226.125.630.929.730.432.128.424.114.028.631.1

None

us-gaap:InterestExpense

us-gaap:InterestExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value11111111111515201511111110.08.08.08.3018.2088.1478.52512111111109.9229.7439.9449.954109.7479.5869.4839.5089.2029.1858.7979.4187.396.3196.196.1345.955
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.71.31.21.21.81.82.31.81.31.41.41.41.21.31.31.41.41.52.32.12.12.22.32.22.32.62.82.92.93.13.33.43.43.73.73.32.62.42.62.93.1

None

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value5973-14.0-4.0-43.01362119-8.05.09.0-2.00.01.0455-3.588-0.186-0.151.452-4.711-0.9-1.191-0.693-1.024-31.3150.4790.320.37-1.323-0.714-0.6060.855-0.07-2.663-0.035-1.564-9.549-27.53-13.1970.7743.481-1.113
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.411.5-1.6-0.4-4.716.22.52.2-0.90.61.2-0.30.00.276.1-0.6-0.0-0.00.3-0.9-0.2-0.2-0.1-0.2-7.00.10.10.1-0.4-0.2-0.20.3-0.0-1.0-0.0-0.7-3.3-9.7-5.10.31.6-0.6

None

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value6117394945485147485048413439502734313532323138443533292724242423242321242322191716
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.72.74.55.15.05.76.05.45.66.06.15.34.85.98.44.45.75.36.25.96.15.97.59.38.07.97.77.77.17.37.88.18.68.48.710.48.27.87.67.67.9

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

ilmn:CostOfGoodsSold


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-29
Value6.03.05.04.05.05.05.04.04.04.04.03.03.03.03.03.1211.7991.9582.1922.5672.1132.332
Percentage of AllocatedShareBasedCompensationExpense9.817.612.88.211.110.49.88.58.38.08.37.38.87.76.011.55.26.16.28.06.47.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.50.60.40.60.60.60.50.50.50.50.40.40.50.50.50.30.30.40.50.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:CostOfGoodsSold0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ilmn:CostOfServices


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value1.01.01.01.01.01.01.00.01.01.01.00.01.01.0-0.531.2610.4210.4320.4980.4660.2790.3240.311
Percentage of AllocatedShareBasedCompensationExpense1.65.92.62.02.22.12.00.02.12.02.10.02.92.6-1.93.61.31.21.51.40.90.80.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.10.10.10.10.10.00.10.10.10.00.10.2-0.10.20.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:CostOfServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value2112151615161815151515131212149.4061110109.098101111141211109.5618.9548.0068.0017.764
Percentage of AllocatedShareBasedCompensationExpense34.470.638.532.733.333.335.331.931.230.031.231.735.330.828.034.633.333.430.328.232.635.430.832.735.534.936.734.936.633.133.133.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.61.91.71.71.71.92.11.71.81.81.91.71.71.82.31.51.91.81.91.72.02.12.33.02.92.82.82.72.62.42.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value331.0182824262728283028251823331520182120191823272019161613141413
Percentage of AllocatedShareBasedCompensationExpense54.15.946.257.153.354.252.959.658.360.058.361.052.959.066.055.957.959.162.362.359.656.461.560.957.758.056.458.756.860.458.157.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.20.22.12.92.63.13.23.23.33.63.63.22.53.55.52.53.33.13.83.63.63.34.65.74.64.64.34.54.04.44.54.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-10-012017-07-022017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-28
Value215165178270346233232232221175141503154156115128141178112
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.126.120.729.841.327.527.228.028.324.521.384.125.426.220.223.426.233.123.4

None

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value5369-11.01.0-38.01412912-9.05.03.0-7.0-6.0-2.0451-8.773-6.338-4.894-5.849-11.865-10.7611.92-10.822-7.05-39.773-8.30846-8.317-10.646-2.41544-5.169-8.193-9.339-7.077-8.973-16.986-33.38-17.884-2.625-0.902-4.864
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.710.9-1.30.1-4.216.83.41.4-1.10.60.4-0.9-0.8-0.375.4-1.4-1.0-0.8-1.0-2.2-2.00.4-2.1-1.5-8.9-2.012.0-2.3-3.1-0.714.4-1.8-2.9-3.4-2.8-3.8-5.9-11.8-6.8-1.1-0.4-2.5

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value361185.03036539.01244322416623211552637402813384138181323395.7913-24.975321311148.5027.64181112191612
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.518.60.63.14.06.31.11.45.23.93.121.33.23.225.94.36.26.85.02.47.27.77.63.93.15.710.31.63.9-7.510.34.94.15.23.43.26.44.24.78.17.96.3

None

us-gaap:ProfitLoss

us-gaap:ProfitLoss


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value17947173239234293224198188200197581521203481071161168710211510213615393
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.57.420.125.125.835.026.522.822.024.125.27.521.318.158.217.419.319.415.317.421.019.025.429.919.5

None

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272014-09-28
Value0000-3000000.0-9000000.0-13000000.0-11000000.0-9000000.0-11000000.0-11000000.0-11000000.0-8000000.0-19000000.0-16220000.0-11953000.0-4018000.0-2000000.0-2556000.00
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.4-1.1-1.5-1.3-1.1-1.4-1.4-1.5-1.2-3.2-2.6-2.0-0.7-0.3-0.50.0

None

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value17755174239234296227198187200197561531213481051151168911610014015192
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.38.720.325.125.835.326.822.821.924.125.27.221.418.358.217.019.119.515.621.118.626.029.619.2

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value179471732392342962332101992092086816312836712312812089104118102136153934659803135-22.587712923261120302438352921
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.57.420.125.125.835.327.524.223.325.226.68.722.819.361.420.021.220.115.717.721.519.025.429.919.510.414.320.88.810.4-6.823.210.48.39.64.78.610.78.514.714.914.111.0

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value177551742392342992362111982092086716412936712112712091118100140151924659803135-23.0077129232611193123373529
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.38.720.325.125.835.727.924.323.225.226.68.623.019.561.419.621.120.116.021.618.626.029.619.210.414.220.88.810.2-7.023.110.58.39.74.78.411.18.314.414.914.0

None

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-09-28
Value0000-3000000.0-9000000.0-13000000.0-11000000.0-9000000.0-11000000.0-11000000.0-11000000.0-8000000.0-19000000.0-16220000.0-11953000.0-4018000.0-2000000.0-1613000.0-2556000.00
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.4-1.1-1.5-1.3-1.1-1.4-1.4-1.5-1.2-3.2-2.6-2.0-0.7-0.3-0.3-0.50.0

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value74047248726173167089697373906959675958515542525750464858459842804227398537933687373337033499333932783035305330192817282327442566243723482301219521472256212318391429
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value74047248726173167089697373906959675958515542525750464858459842804227398537933687373337033499333932783035305330192817282327442566243723482301219521472256212318391429
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value4329419443244451422241564545449042623337319429802805264325172318227721432073209622102237206018891906162016311617153716461550178716461664163715441504162315111258981
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.557.959.660.859.659.661.564.563.157.057.656.755.654.454.754.253.953.854.756.959.260.458.956.658.253.453.453.654.658.356.569.667.570.971.170.370.171.971.268.468.6

None

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value15631498134113721351123013452368204311688139206876747978247414735886178879198327024414275734533363456249168899851006886902972724645548
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.120.718.518.819.117.618.234.030.220.014.717.513.613.917.319.317.511.915.516.723.824.823.821.013.514.118.815.011.912.322.835.736.541.943.740.442.043.134.135.138.4

None

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value464385472573541470457514433395400411383372368381381372402385413368350289276258293238235207210214218188202173169193181165157
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.35.36.57.87.66.76.27.46.46.87.27.87.67.78.08.99.09.310.610.511.110.010.08.78.48.59.67.98.47.37.78.48.98.08.87.97.98.68.69.011.0

None

us-gaap:InventoryNet

us-gaap:InventoryNet


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value41543538435941742041238637436235033332730929930031231128727023322320519119917716415415916816715814713312812813914215014292
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.66.05.34.95.96.05.65.55.56.26.36.36.56.46.57.07.47.87.67.36.36.05.95.76.15.85.45.15.76.06.16.26.15.75.65.96.56.37.17.76.5

None

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value126106136105989361707866687191546972774733405480838929573642222856303220161729383036
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.51.91.41.41.30.80.01.11.01.21.31.71.11.41.61.81.10.91.11.52.12.32.60.91.81.21.40.81.02.01.11.30.80.70.81.31.81.42.0

None

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value8.08.07.07.010.010.010.010.010.010.09.010.012121212121212141313121112131313118.7725.9644.2023.4663.4684.5453.0353.0352.9852.2952.2951.5951.62
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value910890890889875854852834107510601036983931862837734713633511385342308302280265247230210202193187186166154147143143135129125129117
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.312.312.312.212.312.211.50.015.415.717.717.717.717.117.216.016.715.012.810.29.38.38.28.07.97.67.66.96.76.96.66.86.56.46.36.26.56.35.75.97.18.2

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value897894824824824824831831831831775771771771771775775775776752756724724724724721723723667596604369370321321321321321320278213
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.112.311.311.311.611.811.211.912.314.214.014.715.315.916.818.118.419.520.520.420.319.620.721.722.123.823.724.023.721.122.014.415.213.714.014.715.014.315.115.114.9

None

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value149156138145152162175185195205168175185196207242255268269273286288301314299304316331297304307130134891031061091121187043
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.21.92.02.12.32.42.72.93.53.03.33.74.04.55.76.06.77.17.47.77.88.69.49.110.010.411.010.610.811.25.15.53.84.54.85.15.05.63.83.1

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-31
Value545549559555555558574579
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.47.67.77.67.88.07.80.0

None

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value555552435388373350326308325334322312306308286107102999287848268955987695678787373777669595652456326
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.57.66.05.35.35.04.44.44.85.75.85.96.16.36.22.52.42.52.42.42.32.22.02.91.82.92.31.92.82.82.72.93.23.33.02.72.62.32.13.41.9

None

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value2341761091061101574139
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.41.51.41.62.30.60.6

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value2341761091061101574139
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.41.51.41.62.30.60.6
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value2341761091061101574139
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.41.51.41.62.30.60.6
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

None

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value111511151054665619612124118041735121711807466656827217046285814816105837257107228566491149322418418409304303299292237297284345534441
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.115.414.59.18.78.816.825.925.720.821.314.213.214.015.716.514.914.612.716.615.619.620.321.626.121.437.710.714.914.814.911.912.412.712.710.813.812.616.329.130.9

None

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032015-09-272014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value5075034990.00.063111071107110762562010.02.05.01.01.251.250.5117410230430129884829282937363635350.03340111311290
Percentage of LongTermDebtCurrent100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets6.86.96.90.00.08.50.015.916.410.711.20.20.00.10.00.00.00.02.02.79.19.29.827.81.01.01.11.41.41.51.51.50.01.61.85.216.920.3

None

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value156135130149143139137184156149151160158175142137134250154139123107106829691867363677665745659495258666652
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.91.82.02.02.01.92.62.32.52.73.03.13.63.13.23.26.34.13.83.32.93.02.52.93.02.82.42.22.42.82.63.12.42.62.32.42.63.13.63.7

None

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value756855645864646348455155535157545351697839292124201919181713149.731101014109.689129.476
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.90.80.90.80.90.90.90.70.80.91.01.11.01.21.31.31.31.82.11.10.80.60.70.60.60.60.60.60.50.50.40.40.40.60.50.50.60.5

None

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value46445486966683829467595041357732304042442938
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.71.21.40.91.11.21.41.11.11.00.80.71.70.70.71.01.11.20.81.2

None

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value45247742551647647347354951345042238843238137838634231533032639635831429633530425921521919919818820119120619818721118516715698
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.16.65.97.16.76.86.40.07.46.77.27.08.27.67.88.48.07.58.38.610.79.68.58.510.09.38.67.17.37.17.06.97.97.98.88.68.69.88.27.98.56.9

None

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-30
Value544846454944
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.60.60.70.6

None

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-02
Value154153158167161167169175154168153150150
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.22.32.32.42.32.52.32.92.82.93.3

None

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value66665965211411131112011128908607237101182118011691055104710401031102210151007986
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.09.19.015.616.016.115.012.812.712.412.822.523.424.122.924.524.625.927.027.527.029.5

None

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value2452302242022092112122243593523433643602222122122132041981851801731831711671671881911911921922061341117562694238352824
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.23.12.82.93.02.90.05.25.25.96.66.84.44.44.65.04.85.04.94.94.65.04.95.05.16.26.36.36.86.87.55.24.63.22.73.22.01.71.71.61.7

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-30
Value678681696695691698
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.49.69.59.710.0

None

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-282013-12-29
Value47004563463546134439433240703845359433513073274928552715255122702319213920701848193614621533
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets63.563.063.863.162.662.155.155.353.257.355.452.356.655.955.553.054.953.754.650.151.943.850.8

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value12146.05.05.05.02.0-1.0-2.0-1.0-1.0-1.00.00.0-1.0-1.0371.3142.3181.9820.036-1.081.234
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.30.10.10.10.10.0-0.0-0.1-0.0-0.0-0.00.00.0-0.0-0.00.10.10.10.0-0.10.1
Percentage of Assets0.20.20.10.10.10.10.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.10.10.0-0.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value3737364936313560351034363385329030932939289728332891283627982733273826642617249721722562
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest79.580.078.377.279.179.383.285.686.187.794.3103.1101.3104.5109.7120.4118.0124.5126.4135.1148.5167.1
Percentage of Assets50.550.350.048.749.549.345.847.345.850.252.353.957.358.460.963.964.866.969.067.765.184.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.8591.8051.753
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


None
Period End2020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-03
Value0.00.00.00.00.085879194650.00.00.00.0737984790.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.02.12.32.52.82.10.00.00.00.03.23.43.93.90.0
Percentage of Assets0.00.00.00.00.01.21.31.31.61.20.00.00.00.01.71.92.12.10.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value44664287424040673828359432983083287226732464225621882025189714851361123211121022561207
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.094.091.588.286.283.081.080.279.979.880.282.176.674.674.465.458.757.653.755.338.413.6
Percentage of Assets60.359.158.455.654.051.544.644.342.545.744.542.943.441.741.334.732.230.929.327.716.86.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value-3517.0-3389.0-3244.0-3021.0-2906.0-2705.0-2702.0-2616.0-2462.0-2356.0-2354.0-2341.0-2226.0-2148.0-2145.0-2022.429-1862.702-1846.054-1742.782-1673.608-1272.073-1240.345
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-74.8-74.3-70.0-65.5-65.5-62.4-66.4-68.0-68.5-70.3-76.6-85.2-78.0-79.1-84.1-89.1-80.3-86.3-84.2-90.5-87.0-80.9
Percentage of Assets-47.5-46.8-44.7-41.3-41.0-38.8-36.6-37.6-36.4-40.3-42.5-44.5-44.1-44.2-46.7-47.2-44.1-46.3-45.9-45.4-38.1-41.1
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01887000.01882000.01878000.01876000.01859000.01849000.01829000.01823000.01805000.01794000.01785000.01778000.01753000.01739000.01726000.01711000.01703000.01690000.01685000.01681000.01668000.01661000.01651000.01608000.01516000.01436000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

None

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value3737364936313560351034363385329030932939289728332891283627982733273826642617249724542172
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.550.350.048.749.549.345.847.345.850.252.353.957.358.460.963.964.866.969.067.765.865.1

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value44664287424040673828359432983065308328722673246422562188202518971485136112321112102291880069756140731426720712795598210-19.108-42.51-68.707-80.432-100.584-131.204-155.335-280.226
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets60.359.158.455.654.051.544.60.044.342.545.744.542.943.441.741.334.732.230.929.327.724.621.619.916.812.410.48.86.94.53.42.23.20.4-0.8-1.8-3.1-3.7-4.5-6.2-8.4-19.6

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value12146.05.05.05.02.0-1.0-2.0-1.0-1.0-1.0-1.0-1.0371.3142.3181.9820.0361.040.5992.334-1.080.3611.3331.2081.2341.3681.1631.7032.1232.4472.2032.2632.1172.0862.3471.121.7652.83
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.10.10.10.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.10.10.00.00.00.1-0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.2

None

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value3517338932443021290627052702261624622356235423412226214821452022186218461742167314391396139012721236129413791240124012401215118711631143111011091109905877541497
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.546.844.741.341.038.836.637.636.440.342.544.544.144.246.747.244.146.345.945.438.637.739.738.137.742.645.241.144.043.944.346.347.748.748.350.551.740.141.329.434.8

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value61163950454851484750484134395027343135
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value61163950454851484750484134395027343135
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1532402814432671431983002922952552942351781682801502173918017166140145178371268388877851966510890718881547759
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.337.932.746.529.417.123.434.634.235.532.637.832.926.928.145.224.836.27.032.931.812.427.430.339.88.832.723.325.626.525.517.934.324.043.338.224.831.431.223.136.430.7

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-65.0-320.0-135.0-104.0-218.079988-348.0-940.0-537.012-315.0-97.035163-173.292-341.23143-43.553-38.927-142.47-154.147-332.783-44.231114-144.387-150.81-101.295247-65.02118-17.105-9.648-141.87-42.9667-272.264-152.876-70.057-93.872-96.46-24.664
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8.2-50.6-15.7-10.9-24.09.4116.8-40.1-110.2-64.71.5-40.5-13.65.327.3-28.0-56.27.3-7.6-7.1-26.4-28.6-64.9-9.225.6-34.3-38.9-28.471.5-19.66.0-6.0-3.4-52.0-17.228.5-94.7-54.1-26.8-39.6-45.5-12.8

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.06513067-109.0-5.024-86.0-163.49234-63.345-12.349-180.89727-12.5340.20255-136.521-85.92443-75.0535.784-13.006-6.042-8.065-30.264337.848-187.835122526124334
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-22.6-22.2-12.1-19.1-65.5-7.1-17.876.33.68.6-14.0-0.73.6-14.4-26.45.7-10.6-2.2-32.95.2-2.30.011.5-30.5-20.411.2-21.01.7-3.9-2.0-2.8-10.812.33.1-79.817.979.810.25.220.417.9

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-01
Value-9.0-221.0-51.0227-128.0-327.01126-202.02.0-216.0335
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.1-34.9-5.923.8-14.1-39.0133.1-23.30.2-26.042.8

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1532402814432671431983002922952552942351781682801502173918017166140145178371268388877851966510890718881547759
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.337.932.746.529.417.123.434.634.235.532.637.832.926.928.145.224.836.27.032.931.812.427.430.339.88.832.723.325.626.525.517.934.324.043.338.224.831.431.223.136.430.7

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value179471732392342962332101992092086816312836712312812089104118102136153934659803135-22.587712923261120302438352921
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.57.420.125.125.835.327.524.223.325.226.68.722.819.361.420.021.220.115.717.721.519.025.429.919.510.414.320.88.810.4-6.823.210.48.39.64.78.610.78.514.714.914.111.0

None

us-gaap:ProfitLoss

us-gaap:ProfitLoss


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value17947173239234293224198188200197581521203481071161168710211510213615393
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.57.420.125.125.835.026.522.822.024.125.27.521.318.158.217.419.319.415.317.421.019.025.429.919.5

None

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value82-91.0-99.0297510.0-56.08136-1.0-11.027132.0-16.01.768.491-26.12124615591220-34.967523.42424-5.825-6.129-2.60423-15.945294.467-18.2079.63911-4.90818-6.950.788
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-19.05124-58.0-3.010.026131211176.01810.0-1.0-12.0711.1712317111814-8.15121139.991-6.615-7.9610.0938.266108.654.969-0.159-12.837-4.791-8.4743.95128.697198.181
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value113.0-16.011-3.04.0-47.03212-1.02.0-2.0123.0-3.05.338-14.9564.5923.057181.85128-16.854
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value611639494648514748504841343950273431353232313844353329272424242324232124232219171616
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-65.0-320.0-135.0-104.0-218.079988-348.0-940.0-537.012-315.0-97.035163-173.292-341.23143-43.553-38.927-142.47-154.147-332.783-44.231114-144.387-150.81-101.295247-65.02118-17.105-9.648-141.87-42.9667-272.264-152.876-70.057-93.872-96.46-24.664
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8.2-50.6-15.7-10.9-24.09.4116.8-40.1-110.2-64.71.5-40.5-13.65.327.3-28.0-56.27.3-7.6-7.1-26.4-28.6-64.9-9.225.6-34.3-38.9-28.471.5-19.66.0-6.0-3.4-52.0-17.228.5-94.7-54.1-26.8-39.6-45.5-12.8

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value483940574947566564779076826983815767532941363428231927181121171720132722161212131311
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.06513067-109.0-5.024-86.0-163.49234-63.345-12.349-180.89727-12.5340.20255-136.521-85.92443-75.0535.784-13.006-6.042-8.065-30.264337.848-187.835122526124334
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-22.6-22.2-12.1-19.1-65.5-7.1-17.876.33.68.6-14.0-0.73.6-14.4-26.45.7-10.6-2.2-32.95.2-2.30.011.5-30.5-20.411.2-21.01.7-3.9-2.0-2.8-10.812.33.1-79.817.979.810.25.220.417.9

None

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-02
Value125142188631980.0639875750.010113613370.034340.0721300.00.025253025320.00.02042833828
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:StatementClassOfStock

us-gaap:CommonStock


None
Period End2020-03-292019-12-292019-09-292019-06-302019-03-312018-08-212017-07-022017-04-022017-01-012016-10-02
Value187631980.0631030.010113613
Percentage of PaymentsForRepurchaseOfCommonStock99.5100.0100.00.0100.00.00.0100.0100.0100.2

None

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


None
Period End2020-09-272020-06-282019-09-292019-06-302018-09-302018-07-012017-10-012016-10-022016-07-032015-09-272015-06-282014-09-282014-06-292013-09-292013-06-302012-09-302012-07-012011-10-022011-07-03
Value16.80.7160.1320.1540.190.1390.1290.2420.2590.1030.2760.1690.2290.1560.2730.3180.3270.2750.375
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-01-032008-12-28
Value0.010.010.0410.0580.0640.1070.1580.1920.2210.2590.3050.3220.4410.6980.9381.0451.0651.2661.4311.5991.7962.1452.5933.2113.6184.1854.8455.7246.3257.3378.4458.3518.9979.2479.403101010111618
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-01-032008-12-28
Value59.1158.2164.6356.6557.5858.2655.9554.5252.2250.0147.246.9351.5152.5449.1348.5648.0845.0442.5941.9540.5538.3836.4234.7433.7433.7533.8732.6431.8331.7831.032.131.6931.3430.8829.6929.5729.1722.8318.5916.26
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:PerformanceShares


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value118000.0-255000.055000.013000.0-12000.0125000.039000.0127000.045000.0200000.07000.08000.023000.0142000.018000.02000.010000.04000.05000.03000.0770000.010000.01000.0187000.080000.033000.033000.0438000.010000.046000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value26000.0126000.082000.0628000.018000.0575000.020000.043000.017000.0738000.042000.054000.045000.01071000.053000.067000.054000.042000.055000.022000.0468000.041000.049000.0222000.0783000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod22.0-49.4149.14830.8-150.0460.051.333.937.8369.0600.0675.0195.7754.2294.43350.0540.01050.01100.0733.360.8410.04900.0118.7978.8

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-01
Value176117701991204218151943227011441346134415601225735
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:BusinessAcquisitionContingentValueRightsRevenueThreshold ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsRevenueThreshold

ilmn:PaymentRightsOfAboveOneBillionEachTwelveYears, ilmn:GRAILInc


None
Period End2020-09-20
Value1000
Percentage of BusinessAcquisitionContingentValueRightsRevenueThreshold100.0

ilmn:PaymentRightsOfOneBillionEachTwelveYears, ilmn:GRAILInc


None
Period End2020-09-20
Value1000
Percentage of BusinessAcquisitionContingentValueRightsRevenueThreshold100.0

ilmn:BusinessAcquisitionTerminationFee us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionTerminationFee

ilmn:GRAILInc


None
Period End2020-09-20
Value300
Percentage of BusinessAcquisitionTerminationFee100.0

ilmn:BusinessCombinationContinuationPayments us-gaap:BusinessAcquisition

ilmn:BusinessCombinationContinuationPayments

ilmn:GRAILInc


None
Period End2020-09-20
Value35
Percentage of BusinessCombinationContinuationPayments100.0

ilmn:BusinessCombinationThresholdOfContinuationPayments us-gaap:BusinessAcquisition

ilmn:BusinessCombinationThresholdOfContinuationPayments

ilmn:GRAILInc


None
Period End2020-09-20
Value315
Percentage of BusinessCombinationThresholdOfContinuationPayments100.0

ilmn:ContingentValueUnrealizedGainLoss dei:LegalEntity

ilmn:ContingentValueUnrealizedGainLoss

ilmn:HelixHoldingsILLC


None
Period End2020-09-272020-06-282019-09-292019-06-30
Value08000000.02000000.03000000.0
Percentage of ContingentValueUnrealizedGainLoss0.0100.0100.0100.0

ilmn:CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets

ilmn:CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-03
Value7.07.07.09.010.09.09.010.09.08.09.09.010.01110101010121111109.6779.5459.5359.2069.2638.5846.554.4793.5883.0433.0433.0363.0353.0352.985
Percentage of CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:IncreaseDecreaseOfOperatingLeasesNet

ilmn:IncreaseDecreaseOfOperatingLeasesNet


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-31
Value2000000.06000000.01000000.002000000.01000000.0
Percentage of IncreaseDecreaseOfOperatingLeasesNet100.0100.0100.00.0100.0100.0

ilmn:PaymentsForProceedsFromStrategicInvestments

ilmn:PaymentsForProceedsFromStrategicInvestments


None
Period End2020-09-272019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value5.05.02.010.03.03.03.06.03.04.00.0187.04.8422.6293.5292.8425.02612-13.0675.0
Percentage of PaymentsForProceedsFromStrategicInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodShares us-gaap:StatementEquityComponents

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodShares

us-gaap:TreasuryStock


None
Period End2020-06-282019-12-292019-09-292018-12-30
Value1000000.01000000.0-1000000.0-1000000.0
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodShares100.0100.0100.0100.0

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value-101.0-143.0-191.0-115.0-172.00.0-59.0-153.0-83.0-1.08.0-107.0-46.05.0-100.0-159.2383.879-99.68-46.501
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value272.032293.0271.0231.0218.0328.0230.484203.5923
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue-26.7-1.4-16.8-16.90.0-45.8-0.7-27.7-100.0262.5-7.5-69.6160.0-23.0-0.3529.1-3.6-49.5

us-gaap:TreasuryStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value-128.0-145.0-223.0-115.0-201.0-3.0-86.0-154.0-106.0-2.0-13.0-115.0-78.0-3.0-123.0-159.727-16.648-103.272-69.52
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue126.7101.4116.8100.0116.90.0145.8100.7127.7200.0-162.5107.5169.6-60.0123.0100.3-429.2103.6149.5

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value4911303935374137403938272327399.33326242722232231292422201916161715151514161514121111
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value10.09.010.010.09.013141510.08.08.07.08.08.07.07.397.3337.2787.7319.4521010109.9929.0058.9929.1429.0639.0239.0098.9048.8018.6998.5998.58.4928.6716.5145.5035.45.3015.203
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

ilmn:GRAILInc


None
Period End2020-09-20
Value8000
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

ilmn:GRAILInc


None
Period End2020-09-20
Value4500
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

ilmn:GRAILInc


None
Period End2020-09-20
Value1000
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


None
Period End2020-09-272020-06-282019-09-292019-06-302018-09-302018-07-01
Value303827422634
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentConvertibleStockPriceTrigger us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleStockPriceTrigger

ilmn:ConvertibleSeniorNotesDue2021, us-gaap:ConvertibleDebt


None
Period End2020-09-27
Value0
Percentage of DebtInstrumentConvertibleStockPriceTrigger0.0

us-gaap:Depreciation

us-gaap:Depreciation


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value39383738373937403535302929262624232120181716171415141313111112121111151413129.5938.8078.4137.391
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


None
Period End2020-09-272020-06-282020-03-29
Value-9000000.0-12000000.0-95000000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:OtherOperatingIncomeExpense


None
Period End2020-09-272020-06-282020-03-29
Value-10000000.0-11000000.0-4000000.0
Percentage of DerivativeGainLossOnDerivativeNet111.191.74.2

ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:SellingGeneralAndAdministrativeExpenses


None
Period End2020-09-272020-06-282020-03-29
Value00-92000000.0
Percentage of DerivativeGainLossOnDerivativeNet-0.0-0.096.8

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value126.09.010.010.01110.010.08.01110.014111211177.6047.6677.8119.8769.3159.1137.0911411109.6968.0597.4997.5656.9797.8218.1357.8237.7448.4648.1997.7617.5926.1075.586
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:DevelopedTechnologyRights


None
Period End2020-06-28
Value26
Percentage of FinitelivedIntangibleAssetsAcquired1100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-27.062-103.0376.0-17.0-70.0582835-18.02515-11.05233-26.052-1.482-29.7913326-51.044433132-23.1472631-4.107-15.267-2.9431.03612141.5791012170.748.89175.061
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-29
Value-3.0-76.029-24.019-17.011-14.010.01111-28.01320-86.0-36.023-29.71-34.0296.2-3.098-27.129-53.452
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value2.012111.0183.08.00.04.04.01.02.00.02.01.00.8220.2383.4182.404-2.9180.8162.5330
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value6.06.024-19.0-2.05.0-17.00.011-20.05.01374.0154.05.7882.3633.5734.013-6.7650.0241.521-1.947
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value18-17.0140.03.017-6.02.0-6.0-3.02.06.0-9.0-3.0-2.04.7761.673-7.8162.5713.60.2251.157-26.771181.587-0.125-3.1730.742.186-1.5361.663.253-0.62-1.231-13.4588.9351.0945.4450.017-0.479-0.545-1.547
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-10-032010-07-04
Value1000000.000001000000.01000000.01000000.01000000.0-20000.0-40000.0-119000.0239000.01670000.02194000.02177000.0-478000.01972000.04410000.05518000.0288000.01028000.01064000.0026000.0906000.0925000.0991000.0-1102000.01292000.02408000.0677000.09292000.08404000.0
Percentage of IncrementalCommonSharesAttributableToConversionOfDebtSecurities100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value1000000.01000000.01000000.001000000.01000000.01000000.001000000.01000000.01000000.002000000.01000000.01000000.06000.01196000.01111000.01252000.02653000.02555000.02735000.0-27000.04124000.04160000.04816000.0114000.04596000.04382000.0094000.03719000.03527000.04060000.0-612000.04549000.05607000.05790000.0267000.04734000.04295000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value5.07.014161620231314115.06.04.05.04.03.1162.0563.4031.2242.7671.3441.6930.9470.5341.4640.9560.9651.2670.7221.9338.8383.4591.3852.5262.1431.3881.9811.541.6322.7911.7512.204
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value59663.0-4.0471022.021
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value179471732392342952312061962072076816312836011612311989
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value179471732392342962332101992092086816312836712312812089
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.3100.9101.9101.5101.0100.5100.0100.0100.0101.9106.2104.4100.6100.4

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-312017-10-012017-07-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value-2000000.08000000.01000000.0003000000.03000000.01000000.0-1000000.0-1000000.01000000.01000000.0-2351000.0-1004000.0336000.01946000.0441000.0-1735000.03414000.0-1441000.0-972000.0125000.0-26000.0-134000.0205000.0-540000.0-420000.0-324000.0244000.0-59000.0145000.031000.0-261000.01227000.0-645000.0-800000.0-48000.0-39000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-09-272020-06-282020-03-292019-06-302019-03-312018-12-302018-09-302017-10-012017-01-012016-10-022016-07-032016-04-03
Value-2000000.08000000.01000000.03000000.03000000.01000000.0-1000000.00-2351000.0-1004000.0336000.01946000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-03
Value2.010.02.0-9.05.00.05.017-6.00.06.0-3.0-3.03.02.0-9.569-1.759-4.4861.055-4.296-0.636-0.556-5.53-4.121-0.3310.636-2.002-0.3891.965-4.107-0.602-1.586-3.108-2.484-0.802-3.233-2.412-2.4250.242-3.131
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-03-31
Value3.03.035524.03.023563.02.013404.02.022233.5733.272695.1756.143830.370.2590.5838.8262.468
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-01
Value2102912562503672761175071215539598
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

ilmn:GRAILInc


None
Period End2020-09-20
Value3500
Percentage of PaymentsToAcquireBusinessesGross100.0

ilmn:PacificBiosciencesofCaliforniaIncPacBio


None
Period End2020-03-022020-03-292019-12-182019-12-022019-12-292018-11-01
Value34132346.0181200
Percentage of PaymentsToAcquireBusinessesGross0.00.00.00.00.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:StatementScenario

ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:ScenarioForecast


None
Period End2020-03-312019-12-02
Value346.0
Percentage of PaymentsToAcquireBusinessesGross0.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:SubsequentEvent


None
Period End2020-03-022020-02-032020-01-022019-10-01
Value6.0226.06.0
Percentage of PaymentsToAcquireBusinessesGross0.00.00.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

srt:ScenarioForecast, ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:SubsequentEvent


None
Period End2020-03-02
Value34
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


None
Period End2020-09-272019-12-292019-09-292018-12-302017-01-012014-12-282013-12-292013-03-312012-12-302012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value3.00.00.00.00.00.0863450.00.00.00.00.0580.001236510.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.00.00.00.00.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value272.0320.0293.0271.0231.0218.0329.0220.505203.50823231229113022321439301015103.898241.88118261520213326
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-03
Value109111107125581731031150154141415140854848-8.648353676945342322548441651144663728782135412161
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-01
Value921011861011422681187718844288
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualPayments


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value6.04.05.08.05.06.06.05.06.07.07.06.556.5226.3515.374.1123.1072.6553.144.8574.751
Percentage of ProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualWarrantiesIssued

us-gaap:ProductWarrantyAccrualWarrantiesIssued


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value6.02.03.08.03.06.03.07.08.06.06.06.9246.8977.5346.8035.624.1921.7453.6314.8775.421
Percentage of ProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

us-gaap:Investee


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value1610.013221518153932363631383523131216131614178.414
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:PerformanceShares


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value041000.030000.03000.013000.010000.039000.0010000.05000.015000.04000.024000.03000.033000.0-3000.02000.066000.031000.016000.04000.0103000.001000.048000.010000.00050000.020000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value32000.065000.070000.033000.028000.040000.043000.014000.023000.062000.070000.042000.061000.057000.066000.033000.044000.072000.081000.042000.048000.0132000.026000.061000.042000.055000.025000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0158.5233.31100.0215.4400.0110.30.0230.01240.0466.71050.0254.21900.0200.0-1100.02200.0109.1261.3262.51200.0128.20.06100.087.5550.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value06.38254.812.9411.423.9163.530-1.241.94161.84-2.32-7.13-2.15185.43-0.460.45-1.65164.7112.463.6681.12003.8349.0400-0.1250.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value3.03.63260.734.935.1410.77204.640.952.131.07168.15-0.191.520.87146.833.341.040.16135.25.00.8491.131.983.326.053.790.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.056.9102.3167.745.0276.2125.10.0-171.855.2103.98.2-21.3-40.579.2-726.1231.1-9.782.140.123.0112.30.00.0156.7109.70.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStock


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value-1.62077.1903.99071.4803.52.2655.83-0.040.18046.670.410.11047.77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:PerformanceShares


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value85.62-90.7348.46-5.721.3254.157.855.72164.3636.66.498.61139.83-43.19-7.91-13.63178.2914.28-4.18194.34-44.261.340.14147.36.621.870.3450.33-0.01-0.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-5285.20.0451.40.033.10.0224.3253.1294.4-91500.03605.60.0299.6-10534.1-7190.90.0373.20.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value8.91-7.37300.297.950.0713.89291.7949.2115.8328.21228.7934.36.812.64153.64-23.851.36-9.76164.722.595.25194.6124.764.042.24141.4917.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-550.00.0389.00.01.80.0408.20.0452.31248.2409.8-85750.03777.80.0329.2-5817.11236.40.0344.80.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

srt:Maximum, us-gaap:EmployeeStock


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-30
Value2.014400.0256000.02560
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.00.0100.00.00.0100.00.0

srt:Minimum, us-gaap:EmployeeStock


None
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-30
Value-1.351.44540.0146-0.000100.01890
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate-67.00.057.00.00.073.80.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost

us-gaap:PerformanceShares


None
Period End2020-09-27
Value17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


None
Period End2020-10-23
Value146
Percentage of EntityCommonStockSharesOutstanding100.0

ilmn:BusinessAcquisitionContingentValueRightsProRataOnePercentage ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsProRataOnePercentage

ilmn:PaymentRightsOfOneBillionEachTwelveYears, ilmn:GRAILInc


None
Period End2020-09-20
Value2.5
Percentage of BusinessAcquisitionContingentValueRightsProRataOnePercentage100.0

ilmn:BusinessAcquisitionContingentValueRightsProRataTwoPercentage ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsProRataTwoPercentage

ilmn:PaymentRightsOfAboveOneBillionEachTwelveYears, ilmn:GRAILInc


None
Period End2020-09-20
Value9.0
Percentage of BusinessAcquisitionContingentValueRightsProRataTwoPercentage100.0

ilmn:BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated us-gaap:BusinessAcquisition

ilmn:BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated

ilmn:GRAILInc


None
Period End2020-09-20
Value300
Percentage of BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated100.0

ilmn:ContingentValueRightFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

ilmn:ContingentValueRightFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-30
Value3333262928270.0
Percentage of ContingentValueRightFairValueDisclosure100.0100.0100.0100.0100.0100.00.0

ilmn:ContingentValueRightFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-30
Value3333262928270.0
Percentage of ContingentValueRightFairValueDisclosure100.0100.0100.0100.0100.0100.00.0

ilmn:RemainingCapitalCommitment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

ilmn:RemainingCapitalCommitment

ilmn:SecondVentureCapitalInvestmentFund


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-29
Value143143160160160
Percentage of RemainingCapitalCommitment100.0100.0100.0100.0100.0

ilmn:VentureCapitalInvestmentFundtheFund


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-29
Value4044515155
Percentage of RemainingCapitalCommitment28.030.831.931.934.4

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value468389473575516414385393294242219177167
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value4000000.04000000.01000000.02000000.02000000.03000000.04234000.08213000.05459000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-01-02
Value23322309244324562225227824122121201515161684138913221191992699752812600572432473508582639487409508529624345380263359271226167201
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-01-02
Value73170567169671262778111131120704446523450438526540522373419461666728667574400398529441323331575801771852921838855592
Percentage of AssetsFairValueDisclosure31.330.527.528.332.027.532.452.555.646.426.537.734.036.853.077.369.546.069.980.6153.9154.0131.198.862.781.6129.286.961.053.1166.6210.5292.4237.3339.0370.8512.0293.7

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-302015-09-272014-12-282012-04-012012-01-012011-01-02
Value5969733928270.00.00.00.00.00.0
Percentage of AssetsFairValueDisclosure2.53.03.01.61.31.20.00.00.00.00.00.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-01-02
Value3122308331873191296529323193323431352220213019121772162915181240127511861020103410991201117611561039885939950852956920118110351211119210641022794
Percentage of AssetsFairValueDisclosure133.9133.5130.5129.9133.3128.7132.4152.5155.6146.4126.5137.7134.0136.8153.0177.3169.5146.0169.9180.6253.9254.0231.1198.8162.7181.6229.2186.9161.0153.1266.6310.5392.4337.3439.0470.8612.0393.7

us-gaap:AssetsNet us-gaap:BusinessAcquisition

us-gaap:AssetsNet

ilmn:GRAILInc


None
Period End2020-09-272019-12-29
Value250190
Percentage of AssetsNet100.0100.0

us-gaap:AssetsNet us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


None
Period End2020-06-282019-12-29
Value250190
Percentage of AssetsNet0.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value1518125.05.06.02.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value8.09.02.03.04.04.02.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax53.350.016.760.080.066.7100.00.0

us-gaap:USTreasurySecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-30
Value7.09.010.02.01.02.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax46.750.083.340.020.033.3100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


None
Period End2020-03-292019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-02
Value5000000.01000000.03000000.05000000.04000000.03000000.03000000.03000000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


None
Period End2020-03-292019-03-312018-12-302018-09-302017-12-31
Value5000000.01000000.02000000.03000000.02000000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.066.760.066.7

us-gaap:USTreasurySecurities


None
Period End2020-03-292018-12-302018-09-302017-12-31
Value01000000.02000000.01000000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.033.340.033.3

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-02
Value1314130412251261123610671303233120481172816923923
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value61059861362763255371610601063423
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis46.445.950.049.751.151.855.045.551.945.8

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value62502118312621212167
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis4.73.81.71.42.52.41.60.91.07.3

us-gaap:USTreasurySecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value6426565916165734885661250964433
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis48.950.348.248.946.445.743.453.647.146.9

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue


None
Period End2020-09-27
Value627
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue


None
Period End2020-09-27
Value702
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-022015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value13291322123212661241107313042329204311688139209209198327024414275734533363456249168899851006886902972645
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasurySecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value6496656016185744905661250962432
Percentage of AvailableForSaleSecuritiesDebtSecurities48.850.348.848.846.345.743.453.747.147.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value61860761063063655771710581060421
Percentage of AvailableForSaleSecuritiesDebtSecurities46.545.949.549.851.251.955.045.451.945.8

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value62502118312621212167
Percentage of AvailableForSaleSecuritiesDebtSecurities4.73.81.71.42.52.41.60.91.07.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value61860761063063655771710581060421
Percentage of AvailableForSaleSecuritiesDebtSecurities46.545.949.549.851.251.955.045.451.945.8

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value62502118312621212167
Percentage of AvailableForSaleSecuritiesDebtSecurities4.73.81.71.42.52.41.60.91.07.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasurySecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value6496656016185744905661250962432
Percentage of AvailableForSaleSecuritiesDebtSecurities48.850.348.848.846.345.743.453.747.147.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value61860761063063655771710581060421
Percentage of AvailableForSaleSecuritiesDebtSecurities46.545.949.549.851.251.955.045.451.945.8

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value62502118312621212167
Percentage of AvailableForSaleSecuritiesDebtSecurities4.73.81.71.42.52.41.60.91.07.3

us-gaap:USTreasurySecurities


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value6496656016185744905661250962432
Percentage of AvailableForSaleSecuritiesDebtSecurities48.850.348.848.846.345.743.453.747.147.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value173317321541163118058321053101512829571051922689385503682403391185431
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value173317321541163118058321053101512829571051922689385503682403391185431
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds


None
Period End2020-09-272020-06-282019-12-292018-12-30
Value144914681732832
Percentage of CashAndCashEquivalentsFairValueDisclosure0.00.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds


None
Period End2020-09-272020-06-282019-12-292018-12-30
Value144914681732832
Percentage of CashAndCashEquivalentsFairValueDisclosure0.00.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-31
Value196196203209193201201206181196184181
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

us-gaap:ConvertibleDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value213213213213213213287287287161161161161161161161161161161213213215
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

ilmn:ConvertibleSeniorNotesDue2021, us-gaap:ConvertibleDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-06-29
Value517517517517517517517517517517517517517517517517517517517517517517
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:ConvertibleDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value94105116126136147160175190606875839098105112120127134144178
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtLongtermAndShorttermCombinedAmount us-gaap:LongtermDebtType

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:ConvertibleDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value1173116211511141113111201739172517101090108210751067106010521044103710291022109011101291
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-30
Value4646384633
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-30
Value4646384633
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationPlanAssets

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-302015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value51484048342626232322211717151513131212106.449
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-302015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value51484048342626232322211717151513131212106.449
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-31
Value1913916488698776708610810088
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:BusinessAcquisition

us-gaap:DerivativeAssets

ilmn:PacificBiosciencesofCaliforniaIncPacBio


None
Period End2020-09-272020-06-282020-03-292019-12-29
Value40404010.0
Percentage of DerivativeAssets100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-30
Value26364710.00.0
Percentage of DerivativeAssets65.090.0117.5100.00.0

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-30
Value26364710.00.0
Percentage of DerivativeAssets65.090.0117.5100.00.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeNotionalAmount

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-30
Value315321294252122
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value1231641121541121321051931541421251771381389911189112831201079578112958466826856485955494152464349
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


None
Period End2020-09-27
Value367
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-302017-10-012017-07-022017-04-022017-01-01
Value90795553291415119.7
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount


None
Period End2020-09-272020-06-282020-03-292019-12-292018-12-30
Value305305220220231
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282013-12-29
Value27272726242563515249465245463637444036343423282626
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282013-12-29
Value142147114108123124115117981019593909510110110110296978484727057
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282013-12-29
Value2462612432252702712342182242122091881921681621611661681551381141151049470
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:FairValueInputsLevel2, us-gaap:ConvertibleDebt


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-28
Value144715631361154915171658229822222533142713331305126212001178110712241135122414562021
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrual

us-gaap:ProductWarrantyAccrual


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-012016-01-032015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-01-032008-12-28
Value10.010.0121414161619171516171316161515141311101110101011111111151616108.203
Percentage of ProductWarrantyAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


None
Period End2020-09-27
Value735
Percentage of RevenueRemainingPerformanceObligation100.0

us-gaap:RevenueRemainingPerformanceObligationPercentage

us-gaap:RevenueRemainingPerformanceObligationPercentage


None
Period End2020-09-272020-03-292019-12-292019-09-292019-06-30
Value84.00.730.660.630.67
Percentage of RevenueRemainingPerformanceObligationPercentage100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-30
Value118000.00296000.0271000.0544000.0569000.0621000.0660000.0723000.0694000.0572000.0542000.0438000.0455000.0450000.0460000.0514000.0498000.0562000.0583000.01146000.01158000.01157000.01257000.01240000.01231000.01278000.01101000.01021000.0988000.01005000.0587000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292012-12-302012-01-012011-01-02
Value1684000.01715000.01686000.01700000.01703000.01744000.01793000.01840000.01871000.01910000.01971000.02085000.01993000.02065000.02145000.02293000.01800000.01853000.01937000.02206000.02250000.02335000.02423000.02841000.03139000.03276000.03386000.03628000.03995000.04125000.03476000.03109000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber1427.10.0569.6627.3313.1306.5288.7278.8258.8275.2344.6384.7455.0453.8476.7498.5350.2372.1344.7378.4196.3201.6209.4226.0253.1266.1264.9329.5391.3702.70.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-30
Value400.740275.65258.66192.83194.97199.48196.99169.73167.19166.12166.15155.95156.0155.72158.66169.81170.54170.72169.4197.2497.997.7796.2169.7268.9168.2454.6451.0250.0849.9249.64
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292012-12-302012-01-012011-01-02
Value278.68276.43274.46271.49232.31231.06229.18227.0178.07176.56174.23172.92147.41146.35144.69141.8143.46141.46139.58131.8101.9899.696.1892.3569.667.8566.2159.6648.846.4341.8740.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue69.50.099.6105.0120.5118.5114.9115.2104.9105.6104.9104.194.593.892.989.484.582.981.877.8104.9101.798.496.099.898.597.0109.295.693.50.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:EmployeeStock, ilmn:A2000EmployeeStockPurchasePlan


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-01-032014-12-28
Value13131313131313131313131414141414141414
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

ilmn:A2015StockAndIncentiveCompensationPlanAnd2005SolexaEquityPlan


None
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-27
Value4.14.14.14.34.94.94.84.75.55.55.55.36.36.26.26.27.57.67.57.48.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant30.830.630.631.936.336.035.334.340.139.639.637.945.044.044.043.452.40.00.051.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber


None
Period End2020-09-27
Value10000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


None
Period End2020-09-27
Value59.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1 us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:CommonStock, us-gaap:SubsequentEvent


None
Period End2020-02-05
Value750
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:StatementClassOfStock

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:CommonStock


None
Period End2020-09-27
Value295
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0

us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet

us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet


None
Period End2020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value190190189189189189
Percentage of VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:SharesIssued
us-gaap:StatementEquityComponents
(None,)
None
COGS Ratio
us-gaap:ProductOrService
(None,)
None
TTM Greenblatt ROC
_
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
None
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
(None,)
None
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
None
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
None