UNP


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

us-gaap:Revenues

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue
us-gaap:AcceleratedShareRepurchasesDate

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:ShareBasedCompensation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

unp:AccessorialRevenues

unp:AggregateGrantDateFairValueOfStockOptionsVested

unp:DeferredIncomeTaxesAndUnrecognizedTaxBenefits

unp:EquipmentAndOtherRents
us-gaap:LossContingenciesByNatureOfContingency
unp:LossContingencyAccrualCarryingValueChangeInPriorYears

unp:PurchasedServicesAndMaterial

unp:ReceivablesSecuritizationFacilityInterestExpenseCost

unp:SubsidiaryRevenue

unp:TreasurySharesRepurchasedForEmployeePayrollTaxes

unp:WeightedAverageNumberOfSharesOutstandingDilutiveEffectOfRetentionSharesAndUnits

unp:WeightedAverageNumberOfSharesOutstandingDilutiveEffectOfStockOptions

us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses

us-gaap:AccrualForEnvironmentalLossContingenciesPayments1

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions

us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FuelCosts

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInMaterialsAndSupplies

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:InterestAndOtherIncome

us-gaap:InterestPaidNet

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseCost
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualPayments
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualProvision

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherIncome

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfCommercialPaper

us-gaap:ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

us-gaap:RentalIncomeNonoperating

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations

us-gaap:RestrictedStockExpense

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShortTermLeaseCost
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockOptionPlanExpense

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockSharesAcquired
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:AcceleratedShareRepurchasesDate
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseCost

unp:AccountsReceivableSupportingUndividedInvestorHeldInterest

unp:BoardOfDirectorsRemainingDebtIssuance
us-gaap:SubsequentEventType

unp:EquipmentRentsPayable

unp:FairValueOfTotalDebtInExcessOfCarryingValue

unp:LeaseLiability

unp:LeaseRightOfUseAsset

unp:SecuredDebtUnderReceivablesSecuritizationFacility

unp:ValueOutstandingUndividedInterestHeldByInvestorsUnderReceivablesSecuritizationFacility
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:AccountsPayableRelatedPartiesCurrent

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AdditionalPaidInCapital

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableNoncurrent
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentFairValue

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:StatementScenario
us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear
us-gaap:StatementScenario, us-gaap:RetirementPlanType
us-gaap:StatementScenario
us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear
us-gaap:StatementScenario, us-gaap:RetirementPlanType
us-gaap:StatementScenario
us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear
us-gaap:StatementScenario, us-gaap:RetirementPlanType
us-gaap:StatementScenario, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:GuaranteeObligationsCurrentCarryingValue
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:HeldToMaturitySecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:InterestPayableCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualAtCarryingValue

us-gaap:LossContingencyAccrualCarryingValueCurrent
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:MaterialsSuppliesAndOther

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:BalanceSheetLocation
us-gaap:RestrictedCashAndCashEquivalents
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁27812780278027802780277927792779277927782778277827792777277727782778277627762776277627752775277513881387138713871387138613861386138713861386138613861385NANANA1384NANANA
us-gaap:CommonStockSharesIssued ████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁111211121112111211121111111111111111111111111111111111101110111111111110111011101110111011101110555554554554554554554554554554554554554553NANANA553NANANA
us-gaap:CommonStockSharesOutstanding ▅▅▅▅▅▅▅▅▆▆▆▆▇▇▇▇▇▇▇█████▁▁▁▁▁▁▁▁▁▁▁▂▂▂678692695704708725737739772780789801809815825834840849855869877883890899453456460464467469471473476479483487490491NANANA505NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█████▆▆▆▆▆▆▆▆▆▆▆▆▃▃▃▃▃▃▃▃▁11121112111211121112111111111111111111111111111111111111111111111111111011101110111011101110111011101109NANANA1109NANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesAuthorized ████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁140014001400140014001400140014001400140014001400140014001400140014001400140014001400140014001400800800800800800800800800800800800800800800NANANA800NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 686NA701708719NA740763779NA797807814NA832840846NA865875882NA896905456NA464467470NA475477481NA488492494NA497506508NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 684NA699705716NA737760776NA794804811NA829837844NA862872879NA893901454NA461465467NA472473477NA484488489NA493501504NANANANA
us-gaap:EarningsPerShareBasic ▂▂▂▂▂▂▂▂▂█▂▂▁▂▂▁▁▁▂▂▁▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▁▂▂▂▁▁▁▁▁2.152.032.222.231.942.132.161.981.699.291.51.451.321.41.361.171.161.311.511.381.311.621.531.432.42.562.492.382.052.212.212.111.812.011.871.611.311.581.581.421.021.091.020.920.72
us-gaap:EarningsPerShareDiluted ▂▂▂▂▂▂▂▂▂█▂▂▁▂▂▁▁▁▂▂▁▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▁▂▂▂▁▁▁▁▁2.152.022.222.221.932.122.151.981.689.251.51.451.321.391.361.171.161.311.51.381.31.611.531.432.382.552.482.372.032.192.192.11.791.991.851.591.291.561.561.41.011.081.010.920.72
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▅▆▅▆▅▇▆▆▆▆▆▆▅▆▆▅▅▆▆▆▇███▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▃▃▂▂▁▁488052125146523650105757555853175475545054085250513251685174477048295208556254295614615361826015563856305573547052905250534352215112510851014858449044104408418239653754367133033415
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:CargoAndFreight4880NA514652365010NA555853175122NA5050NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments unp:Bulk1534NANANA1620NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments unp:Industrial1894NA148514941410NA149714371340NA1324NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments unp:Premium1452NA156316211551NA171416551511NA1450NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical country:MX583NA602603576NA636635579NA555NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▆▆▆▇▆▇▇▇▆▆▆▆▅▆▆▅▅▆▆▆▇███▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▃▃▂▂▁▁522952125516559653845757592856725475545054085250513251685174477048295208556254295614615361826015563856305573547052905250534352215112510851014858449044104408418239653754367133033415
us-gaap:OperatingExpenses 3086NA328233363424NA365935733536NA339632453339NA321431103142NA33543480363737803852381937843657361135923657352535573497360234913523346633533097300729032977NANANANA
us-gaap:OperatingIncomeLoss ▇▇▇█▆▇█▇▆▇▇▆▆▆▆▅▅▆▇▆▆██▇▆▆▆▆▅▅▆▅▄▅▅▄▃▄▄▄▂▂▂▁▁2143210022342260196022102269209919392251201220051793196519601660168719182208194919772373233021961854197319621878163317251786172415101617157813921137131314011279988999961748671
us-gaap:InterestExpense 278NA266259247NA241203186NA180179172NA184173167NA157153148146144138133127138133128128137135135141142148141142153152155NANANANA
us-gaap:OtherNonoperatingIncomeExpense 53NA535777NA4842-42NA1514367NA297746NA301422671202238372823404328211654172615925191NANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax 5NA-18-227NA17-24NANA9169NA-1-3-21NA-21-6-20-12-59-44-124348-1515-22-129NANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit 444NA466488399NA483429401NA789701616NA674585587NA781734704867836789671709701662588604635608528566549485372405495435318NANANANA
us-gaap:IncomeTaxesPaidNet 11NANANA1NANANA-2NANANA3NANANA-282NANANA475856781375-146-491-450-676-39-455-331-868102-899409-282147-17321139-479136NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest 1501NA154816501428NA162915031329NA124311991092NA1144989966NA1296121411439291376131111041567115611279748651088987871642891794645690777711522NANANANA
us-gaap:NetIncomeLoss ▂▂▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁14741403155515701391155415931509131072781194116810721144113197997911171300120411511431137012911088117411511106957103610421002863964904785639775778711516549514465362
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings1474NA155515701391NA159315091310NANANA1072NANANA979NANANA11511431137012911088117411511106957103610421002863964904785639775778711516NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets █████▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁6221661673619786170861319591475931258689577895780657397564785590055718563055569055772546005376354177531455271652568515625089849731489584902648561471534707046374453364509645066440294358743088NANANA42184NANANA
us-gaap:Liabilities █▇▇▇▇▅▅▆▄▄▅▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁4622543545439624353743577387243866738780334003295038246368633617735786360213526835297338983316433187320883152731015301222962628506281842850228417272762752127287265812651826501257232554125325NANANA25383NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁6221661673619786170861319591475931258689577895780657397564785590055718563055569055772546005376354177531455271652568515625089849731489584902648561471534707046374453364509645066440294358743088NANANA42184NANANA
us-gaap:StockholdersEquity ▁▃▃▃▂▄▅▄██▃▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▃▃▃▃▃▃▂1599118128180161817117742204232064519909243892485619151196151972319932202842042220475207022059920990210572118921553214402127221225207742052420144198771954919087187551857818565183061804617763NANANA16801NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▃▁▄▄▃▄▇▆▃▃▅▃▂▂▆▆█▄▃█▅▆▇▆▆▃▄▆▆▂▃▃▂▂▄▂▂▁38043459407340863953416348164494389740064449386935883596460245665083413039424983447946794780450346793990406445434646361439463956356537274214369936773432NANANA3680NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▁▃▂▂▃▅▄▂▃▅▃▂▃▅▅█▃▂▆▄▄▅▄▅▃▃▅▅▂▂▂▂▂▄▂▃▂▃▃▅▅1130831125010491059127318101604104812751847128610491277190918302673139110782041158715861887153718571432136618451917106311301201995121716471055124810861358131717531850NANANA
us-gaap:AccountsReceivableNetCurrent ▆▆▆█▆▇█▆▅▄▄▃▂▂▃▃▃▃▅▅▅▆▆▆▅▄▄▄▅▃▅▅▃▃▄▄▂▁16691595165018091672175517921634157114931428135712791258135113731355135615081513156416111635166615421414146914681512133115831497132714011424142712751184NANANA666NANANA
us-gaap:OtherAssetsCurrent ▂▂▃▄▄▃▃▄▄▄▃▄▄▂▃▄▃█▄▅▃▆▃▃▃▂▃▃▃▃▂▃▂▁▂▂▂▄253222342393382333335394380399342410410284322373339647397432334493304322316223316334311297260288247189231272265367NANANA350NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:PropertyPlantAndEquipmentGross ████▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁7465874246741297353173059728057216771746711717081369971698786938169058683366765067014665646558864896641466321462357614426051959812591035848357750572795672755807550115444453710NANA51908NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType unp:EquipmentLocomotives▇▇████████▇███▇▇▆▆▅▅▅▅▅▄▄▃▃▃▃▃▃▂▁▁▁94569467979296799638979297159747966796869309964896519692943391729006902785488580858782768172788277247518746474087279729772736902664965026433NANA6136NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType unp:Road██▇▇▇▆▆▆▆▅▅▅▄▄▄▃▃▃▂▂▁▁54365539545345453001526655233951958516125125150837504185006849445490374854548081475504707346692459814542344992NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType unp:RoadOther███▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁2048620331200541983719703195841937519268191431897218732186071829018138178881770017540173741719116850166151647616174159961573715596151581498914882148061460914427141741411813846NANA13634NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType unp:RoadTies███▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁10793106931065310568104961040910395103111022710132100841000199009812976196679547943993939282919491029055896888818785871286088501840483178212807779877903NANA7631NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType unp:RoadrailAndOtherTrackMaterialMember██▇▇▇▇▆▆▆▆▅▅▅▄▄▄▃▃▂▂▁▁17288171781704916953168721678516670165511643916327162261612415974158451569915562153901523615120149221474514588NANANA13861NANANA13220NANA1260412461NANANA11992NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:Equipment▇▆█▇▇███▇▇▆▇▇▇▆▅▅▅▃▃▂▁12639126311302412916128921306112946129971290312877125021282712816128401257412320121251212711596115691143511076NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █████▇▇▇▇▆▆▆▆▆▆▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁2053720330206412041620203201261995719799194751920818935190641883118669183971818917943176981743917384172181694216804165411633016063157921557215374152821511014870147021451014285NANA13655NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType unp:EquipmentLocomotives▅▅▇▇▇▇▇▇▇▆▆███▇▇▇▇▆▇▇▆▆▆▅▅▄▄▄▄▃▃▂▂▁34533434380737703739386138363828373736973606394139003939385938303732372636273730377536943704362535443481338033153283332132453153307430032905NANA2699NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType unp:Road██▇▇▇▆▆▆▅▅▅▄▄▃▃▃▃▂▂▂▁▁15481152921512614945147511454214393142031401413801136451346813315131141294612795126671246112314121611198811807NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType unp:RoadOther██▇▇▇▆▆▆▆▅▅▅▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁41244056398139153844376637003625354934823420335232973226317231193090302129832943289828522831279627842726268826512621258325592535251125022499NANA2376NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType unp:RoadTies███▇▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁32303186317631263075302530272981293528812863282327822736271226762642259525762537249524502435239623572310226522272194215721382096206020281991NANA1858NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType unp:RoadrailAndOtherTrackMaterialMember██▇▇▇▆▆▆▅▅▅▄▄▄▃▃▃▂▂▂▁▁6440638163226268621361566093604459975929586958195781572256565608556054955427537153075241NANANA4970NANANA4756NANA46394592NANANA4458NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:Equipment▁▁▆▆▆▇▇▇▆▆▄█▇█▇▆▅▅▄▅▅▄4566453549954962495650915072511549994947484951715111514350545009490148794768487649044815NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁5412153916534885311552856526795221051947516965160551036508145055050389499394946149071488664814947512469284627245553449014418943749433114291142376419974161740937403093993439425389083851238253NANANA37202NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType unp:EquipmentLocomotives██████████▇▇▇▇▇▆▆▆▅▅▅▄▄▃▃▂▃▃▂▂▂▂▁▁▁60036033598559095899593158795919593059895703570757515753557453425274530149214850481245824468425741804037408440933996397640283749357534993528NANA3437NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType unp:Road██▇▇▇▇▆▆▆▆▅▅▅▄▄▄▃▃▂▂▁▁38884386623832838056379143779737565374093723737036367733660036130359233559935286348833461234378338203343533185NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType unp:RoadOther███▇▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▂▂▂▂▂▁▁▁1636216275160731592215859158181567515643155941549015312152551499314912147161458114450143531420813907137171362413343132001295312870124701233812261122231205011892116631161611347NANA11258NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType unp:RoadTies███▇▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▁▁▁75637507747774427421738473687330729272517221717871187076704969916905684468176745669966526620657265246475644763816307624761796116601759595912NANA5773NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType unp:RoadrailAndOtherTrackMaterialMember██▇▇▇▇▇▆▆▆▆▅▅▅▄▄▃▃▃▂▁▁1084810797107271068510659106291057710507104421039810357103051019310123100439954983097419693955194389347NANANA8891NANANA8464NANA79657869NANANA7534NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType us-gaap:Equipment███▇▇█▇▇▇▇▆▆▇▆▆▅▅▅▃▃▂▁8073809680297954793679707874788279047930765376567705769775207311722472486828669365316261NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ██▇▇▇▇▇▆▆▆▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁20782050200319891951191218871856181018091566150414801457144614081404141013731375137513901384136913441321128212721240125912351211121011751171117611571137NANANA1036NANANA
us-gaap:OtherAssetsNoncurrent ▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▁▁▂▂▃▃█▇▆▆▂▂▂▂▂▂▂▂▂▂▂▂440436483442413393399392386386346291282276318255214194299307363375851789686671301300299283272270252260256246241266NANANA266NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent ▅▅▅█▇▅▅▅▆▄▃▂▃▃▂▁▂▂▂▂▂▃▃▃▄▃▃▃▃▁▃▃▃▂▃▂▁▁46414351458756655262462645294372474639393831340638483640325730953287320635083413339037653833377741883791365538253610311938743917390233173724315329472952NANANA2682NANANA
us-gaap:AccountsPayableCurrent ▂▂▂▂▃▅▆▄▃█▄▄▃▇▄▃▃▂▆█▅▅▅▆▅▄▄▆▄▄▅▇▄▄▃▄▂▁71174971174679487290584476810138388287899558197877917439341005882877870924888803831908815825886955844819793816729677NANANA612NANANA
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▅▅▅▇█▅▄▃▃▅▃▃▅▃▃▂▃▁▄▄▄▆▇▆█▅▄▅▄▃▅▅▅▅▄▄▂▂31303094316633683559316030612916285531392928287531252882285026862885261229872982297433033373331935563086296430923058292331613137313331083082297427672713NANANA2470NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▁▃▆▄▂▅▅▄▅█▇▆▅▄▅▄▁▄▇▅▄▇▇▆▄▅▄▅▃▄▄▂▂▆▆▄▁▄487538616549509575578570591671656626577570592551486550637593554640652609554579549574520556562500502624601551473548NANANA480NANANA
us-gaap:TaxesPayableCurrent ▆▃▄▅█▅▅▄▅▃▄▃█▃▄▃▆▂▄▃▅▂▄▃▇▃▂▂▄▁▄▃▅▃▄▂▂▁754496580644934694644579641547561523901472593470764434562476675412562509877491415413585368613513704482567418464337NANANA224NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:OtherLiabilitiesNoncurrent ▃▃▂▂▃▄▄▄▄▄▅▄▃▄▂▃▃▃▃▅▆▆▂▁▁▁▅▇██▅▆▆▇▂▃▃▃17921788177517311835187119251942190719311961189918621901178518031815184417961959204020641716165916651680202621242210224820162088210821361722179517901813NANANA2021NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▁▃▃▃▂▄▅▄██▃▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▃▃▃▃▃▃▂1599118128180161817117742204232064519909243892485619151196151972319932202842042220475207022059920990210572118921553214402127221225207742052420144198771954919087187551857818565183061804617763NANANA16801NANANA
us-gaap:CommonStockValue ████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁27812780278027802780277927792779277927782778277827792777277727782778277627762776277627752775277513881387138713871387138613861386138713861386138613861385NANANA1384NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▇▇▆▆▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁4941948605478754699746049452844431343311423594131734561338473316732587319403126630747302332958328759280342736726380254562596225288244762369022905222712156020802200841950818833181591760717154NANANA15027NANANA
us-gaap:TreasuryStockValue █▇▇▇▇▆▆▆▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁38992364243583934262336383067428858285312380022574214702022019377185811765416817162231552914948137141288612064111931034695778910813575677113670764796117572652934942451942074027NANANA2924NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▂▁▁▁▁▁▄▃▃▃▃▃▃▃▃▃▃▃▃████▄▄▄▃▅▅▅▅████-1329-1356-1305-1298-1378-1415-1392-1428-1422-1141-1172-1221-1252-1272-1185-1198-1208-1195-1212-1208-1218-1210-708-714-734-750-1143-1148-1169-1186-1015-1061-1046-1054-732-719-728-734NANANA-654NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 2155NANANA1959NANANANANANANANANANANANANANANANANANANANANANA1694152417951590137214041539169413461294138510251039656NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities -807NANANA-784NANANANANANANANANANANANANANANANANANANANANANA-939-800-767-984-1052-830-878-875-709-657-815-605-573-495NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities -997NANANA-1405NANANANANANANANANANANANANANANANANANANANANANA-827130-1095-677-114-796-1091-227-830-475-842-379-902-258NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 2155NANANA1959NANANANANANANANANANANANANANANANANANANANANANA1694152417951590137214041539169413461294138510251039656NANANANA
us-gaap:NetIncomeLoss ▂▂▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁14741403155515701391155415931509131072781194116810721144113197997911171300120411511431137012911088117411511106957103610421002863964904785639775778711516549514465362
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings1474NA155515701391NA159315091310NANANA1072NANANA979NANANA11511431137012911088117411511106957103610421002863964904785639775778711516NANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet 64NANANA53NANANA-339NANANA-94NANANA49NANANA-32288-46-1457766787-48897-8-1715549123-722930201-36NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities -807NANANA-784NANANANANANANANANANANANANANANANANANANANANANA-939-800-767-984-1052-830-878-875-709-657-815-605-573-495NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment 807NANANA752NANANA910NANANA811NANANA687NANANA110111201158117589386190594878286210601012804958891725602796630595461NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities -997NANANA-1405NANANANANANANANANANANANANANANANANANANANANANA-827130-1095-677-114-796-1091-227-830-475-842-379-902-258NANANANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt 2996NANANA2992NANANA1706NANANA200NANANA1278NANANA1146069390099549900944006950048600NANANA400NANANANA
us-gaap:PaymentsOfDividends 660NANANA626NANANA568NANANA492NANANA465NA476479922446410413363365322323323286285286289230233188186NANANA135NANANANA
us-gaap:PaymentsOfDividends 660NANANA626NANANA568NANANA492NANANA465NA476479922446410413363365322323323286285286289230233188186NANANA135NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock 2556NANANA2987NANANA1166NANANA759NANANA706NANANA792913862806644786599459374295NANANANANANANANANANANANANANANA
 us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:AcceleratedShareRepurchasesDate unp:AcceleratedShareRepurchaseAgreement400NANANA500NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value278127802780278027802779277927792779277827782778277927772777277827782776277627762776277527752775138813871387138713871386138613861387138613861386138613851384
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.54.54.54.54.74.74.74.84.84.84.95.05.04.95.05.05.15.25.15.25.35.35.42.72.82.82.82.92.92.93.03.13.13.13.13.23.23.3

Common Stock Par Or Stated Value Per Share

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value111211121112111211121111111111111111111111111111111111101110111111111110111011101110111011101110555554554554554554554554554554554554554553553
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value678692695704708725737739772780789801809815825834840849855869877883890899453456460464467469471473476479483487490491505
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value111211121112111211121111111111111111111111111111111111111111111111111110111011101110111011101110111011091109
Percentage of CommonStockSharesOutstanding163.9160.7159.9157.7157.0153.3150.7150.4143.9142.3140.7138.7137.4136.2134.6133.2132.1130.8129.8127.7126.6125.7124.6123.5245.1243.4236.3

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value-433-419-416-407-403-386-374-372-339-330-321-309-302-295-285-276-270-261-254-240-233-226-219-211-204-197-170
Percentage of CommonStockSharesOutstanding-63.9-60.7-59.9-57.7-57.0-53.3-50.8-50.3-43.9-42.3-40.7-38.7-37.3-36.2-34.6-33.2-32.1-30.8-29.8-27.7-26.6-25.7-24.6-23.5-45.1-43.4-36.3

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value140014001400140014001400140014001400140014001400140014001400140014001400140014001400140014001400800800800800800800800800800800800800800800800
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value686701708719740763779797807814832840846865875882896905456464467470475477481488492494497506508
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value684699705716737760776794804811829837844862872879893901454461465467472473477484488489493501504
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2.152.032.222.231.942.132.161.981.699.291.51.451.321.41.361.171.161.311.511.381.311.621.531.432.42.562.492.382.052.212.212.111.812.011.871.611.311.581.581.421.021.091.020.920.72
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2.152.022.222.221.932.122.151.981.689.251.51.451.321.391.361.171.161.311.51.381.31.611.531.432.382.552.482.372.032.192.192.11.791.991.851.591.291.561.561.41.011.081.010.920.72
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value488052125146523650105757555853175475545054085250513251685174477048295208556254295614615361826015563856305573547052905250534352215112510851014858449044104408418239653754367133033415
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:CargoAndFreight



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value48805146523650105558531751225050
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.093.693.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.093.693.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CargoAndFreight100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductAndServiceOther



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value349370360374370355353358
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.27.26.97.56.76.76.46.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.27.26.97.56.76.76.46.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

unp:Bulk



Period End2020-03-312019-03-31
Value15341620
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.432.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.432.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax unp:Bulk100.0100.0

unp:Industrial



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value18941485149414101497143713401324
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.828.928.528.126.927.024.524.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.828.928.528.126.927.024.524.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax unp:Industrial100.0100.0100.0100.0100.0100.0100.0100.0

unp:Premium



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value14521563162115511714165515111450
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.830.431.031.030.831.127.626.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.830.431.031.030.831.127.626.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax unp:Premium100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:MX



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value583602603576636635579555
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.911.711.511.511.411.910.610.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.911.711.511.511.411.910.610.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:MX100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value522952125516559653845757592856725475545054085250513251685174477048295208556254295614615361826015563856305573547052905250534352215112510851014858449044104408418239653754367133033415
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax107.2100.0107.2106.9107.5100.0106.7106.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Operating Expenses

us-gaap:OperatingExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value308632823336342436593573353633963245333932143110314233543480363737803852381937843657361135923657352535573497360234913523346633533097300729032977
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.263.863.768.365.867.264.662.861.865.162.165.265.160.364.164.861.462.363.567.165.064.865.769.167.166.667.070.568.369.171.374.770.268.269.475.1

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2143210022342260196022102269209919392251201220051793196519601660168719182208194919772373233021961854197319621878163317251786172415101617157813921137131314011279988999961748671
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.940.343.443.239.138.440.839.535.441.337.238.234.938.037.934.834.936.839.735.935.238.637.736.532.935.035.234.330.932.933.433.029.531.730.928.725.329.831.830.624.926.626.222.619.6

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value278266259247241203186180179172184173167157153148146144138133127138133128128137135135141142148141142153152155
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.75.24.94.94.33.83.43.33.43.43.63.63.52.82.82.62.42.32.32.42.32.52.42.42.42.62.62.62.82.83.03.13.23.53.63.9

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value535357774842-421514367297746301422671202238372823404328211654172615925191
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.01.11.50.90.8-0.82.80.81.30.61.61.00.52.60.51.20.30.40.70.70.50.40.80.80.50.40.31.10.30.50.30.20.60.50.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5-18-22717-249169-1-3-21-21-6-20-12-59-44-124348-1515-22-129
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.3-0.00.50.3-0.50.20.30.2-0.0-0.1-0.4-0.4-0.1-0.4-0.2-0.10.1-0.10.1-0.20.10.10.10.1-0.30.3-0.4-0.20.2

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value444466488399483429401789701616674585587781734704867836789671709701662588604635608528566549485372405495435318
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.19.19.38.08.78.17.314.613.412.013.012.312.214.013.512.514.113.513.111.912.612.612.111.111.511.911.610.311.110.810.08.39.211.210.48.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value111-23-282475856781375-146-491-450-676-39-455-331-868102-899409-282147-17321139-479136
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.0-0.00.1-5.80.89.511.022.9-2.6-8.7-8.1-12.4-0.7-8.7-6.2-16.62.0-17.68.0-5.83.3-39.325.8-11.53.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value150115481650142816291503132912431199109211449899661296121411439291376131111041567115611279748651088987871642891794645690777711522
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.830.131.528.529.328.324.323.022.821.322.120.720.023.322.420.415.122.321.819.627.820.720.618.416.520.418.917.012.617.516.314.415.617.617.013.2

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value14741403155515701391155415931509131072781194116810721144113197997911171300120411511431137012911088117411511106957103610421002863964904785639775778711516549514465362
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.226.930.230.027.827.028.728.423.9133.522.122.220.922.121.920.520.321.423.422.220.523.322.221.519.320.920.720.218.119.719.519.216.918.917.716.214.217.617.617.013.014.614.014.110.6

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1474155515701391159315091310107297911511431137012911088117411511106957103610421002863964904785639775778711516
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.230.230.027.828.728.423.920.920.320.523.322.221.519.320.920.720.218.119.719.519.216.918.917.716.214.217.617.617.013.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value622166167361978617086131959147593125868957789578065739756478559005571856305556905577254600537635417753145527165256851562508984973148958490264856147153470704637445336450964506644029435874308842184
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value462254354543962435374357738724386673878033400329503824636863361773578636021352683529733898331643318732088315273101530122296262850628184285022841727276275212728726581265182650125723255412532525383
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets74.370.670.970.671.165.565.266.157.857.066.665.364.764.264.063.363.362.161.761.360.459.859.058.458.257.357.658.158.557.858.558.858.658.858.858.458.658.860.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value622166167361978617086131959147593125868957789578065739756478559005571856305556905577254600537635417753145527165256851562508984973148958490264856147153470704637445336450964506644029435874308842184
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value159911812818016181711774220423206451990924389248561915119615197231993220284204222047520702205992099021057211892155321440212722122520774205242014419877195491908718755185781856518306180461776316801
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.729.429.129.428.934.534.833.942.243.033.434.735.335.836.036.736.737.938.338.739.640.241.041.641.842.742.441.941.542.241.541.241.441.241.241.641.441.239.8

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value380434594073408639534163481644943897400644493869358835964602456650834130394249834479467947804503467939904064454346463614394639563565372742143699367734323680
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.15.66.66.66.47.08.17.76.76.97.86.96.46.58.28.29.17.67.39.28.48.99.18.79.28.08.39.39.67.78.48.57.98.39.48.48.48.08.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value11308311250104910591273181016041048127518471286104912771909183026731391107820411587158618871537185714321366184519171063113012019951217164710551248108613581317175318501249878
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.32.01.71.72.23.12.71.82.23.22.31.92.33.43.34.82.52.03.83.03.03.63.03.62.92.83.83.92.32.42.62.22.73.72.42.92.50.00.00.04.40.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16691595165018091672175517921634157114931428135712791258135113731355135615081513156416111635166615421414146914681512133115831497132714011424142712751184666
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.62.72.92.73.03.02.82.72.62.52.42.32.32.42.52.42.52.82.82.93.13.13.23.02.83.03.03.12.83.43.22.93.13.23.22.92.71.6

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value253222342393382333335394380399342410410284322373339647397432334493304322316223316334311297260288247189231272265367350
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.60.60.60.60.60.70.70.70.60.70.70.50.60.70.61.20.70.80.60.90.60.60.60.40.60.70.60.60.60.60.50.40.50.60.60.90.8

Land

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value746587424674129735317305972805721677174671171708136997169878693816905868336676506701466564655886489664146632146235761442605195981259103584835775057279567275580755011544445371051908
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets120.0120.4119.6119.2119.1123.1121.7122.2123.2122.5121.9123.7124.1123.9121.4121.5120.2121.9122.0119.8120.7119.9118.6119.2118.9120.3120.7119.3118.9121.5120.5120.3121.3120.7119.2120.5

us-gaap:PropertyPlantAndEquipmentByType

unp:EquipmentFreightCars



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value208920832159217221982229224222922295225522542253225122432241224722192203217821372106211621152073207920852048204220101991198719381953195719181886
Percentage of PropertyPlantAndEquipmentGross2.82.82.93.03.03.13.13.23.23.23.23.23.23.23.33.33.33.33.33.33.33.33.43.43.43.53.53.53.53.53.53.53.63.63.63.6
Percentage of Assets3.43.43.53.53.63.83.83.94.03.93.94.04.04.04.04.04.04.04.13.94.04.04.04.04.14.24.24.24.14.24.24.24.34.34.34.4
Percentage of Assets unp:EquipmentFreightCars0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:EquipmentLocomotives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value945694679792967996389792971597479667968693099648965196929433917290069027854885808587827681727882772475187464740872797297727369026649650264336136
Percentage of PropertyPlantAndEquipmentGross12.712.813.213.213.213.413.513.613.613.713.313.813.914.013.813.613.413.613.013.213.413.113.112.812.812.612.612.712.612.712.812.412.111.912.011.8
Percentage of Assets15.215.415.815.715.716.616.416.616.716.816.217.117.317.416.816.516.116.515.915.816.215.715.515.315.215.115.215.115.015.515.514.914.714.414.314.2
Percentage of Assets unp:EquipmentLocomotives0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:EquipmentWorkEquipmentAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value109410811073106510561040989958941936939926914905900901900897870852742684601571559561559546537535530527529529516305
Percentage of PropertyPlantAndEquipmentGross1.51.51.41.41.41.41.41.31.31.31.31.31.31.31.31.31.31.31.31.31.21.11.00.90.90.90.90.90.90.90.90.91.01.01.00.6
Percentage of Assets1.81.81.71.71.71.81.71.61.61.61.61.61.61.61.61.61.61.61.61.61.41.31.11.11.11.11.11.11.11.11.11.11.21.21.10.7
Percentage of Assets unp:EquipmentWorkEquipmentAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:Road



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value54365539545345453001526655233951958516125125150837504185006849445490374854548081475504707346692459814542344992
Percentage of PropertyPlantAndEquipmentGross72.872.772.172.172.171.972.071.972.071.872.171.771.371.071.071.171.070.771.270.970.871.2
Percentage of Assets87.487.586.285.985.988.587.687.988.787.987.888.788.588.086.286.385.386.286.884.985.585.3
Percentage of Assets unp:Road0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadBallast



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value579857525698564355945561551854825442540653765336528152425197515250735024498849274869482647704720466346214570449144414399434642914215417841354011
Percentage of PropertyPlantAndEquipmentGross7.87.77.77.77.77.67.67.67.67.67.77.67.67.67.67.67.67.57.67.67.67.67.67.77.77.77.77.77.77.77.77.77.77.77.77.7
Percentage of Assets9.39.39.29.19.19.49.39.39.49.49.49.49.49.49.29.39.19.29.39.19.29.29.19.29.29.39.39.29.19.39.29.39.39.39.29.3
Percentage of Assets unp:RoadBallast0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value204862033120054198371970319584193751926819143189721873218607182901813817888177001754017374171911685016615164761617415996157371559615158149891488214806146091442714174141181384613634
Percentage of PropertyPlantAndEquipmentGross27.427.427.127.027.026.926.826.926.926.826.826.626.426.326.226.226.226.126.226.025.926.125.926.026.026.125.625.625.825.825.825.925.825.925.826.3
Percentage of Assets32.933.032.432.132.133.132.732.833.132.832.632.932.732.631.831.831.431.832.031.131.331.330.831.030.931.431.030.630.631.431.031.131.331.330.731.6
Percentage of Assets unp:RoadOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadTies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value107931069310653105681049610409103951031110227101321008410001990098129761966795479439939392829194910290558968888187858712860885018404831782128077798779037631
Percentage of PropertyPlantAndEquipmentGross14.514.414.414.414.414.314.414.414.414.314.414.314.314.214.314.314.214.214.314.314.314.414.514.614.714.714.714.714.714.714.714.714.714.714.714.7
Percentage of Assets17.317.317.217.117.117.617.517.617.717.517.617.717.717.617.317.417.117.317.517.117.317.317.217.417.417.717.817.617.517.817.717.717.817.717.517.7
Percentage of Assets unp:RoadTies0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadrailAndOtherTrackMaterialMember



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-03-312011-12-312010-12-31
Value172881717817049169531687216785166701655116439163271622616124159741584515699155621539015236151201492214745145881386113220126041246111992
Percentage of PropertyPlantAndEquipmentGross23.223.123.023.123.123.123.123.123.123.123.223.123.022.923.023.023.022.923.123.023.023.123.223.122.922.923.1
Percentage of Assets27.827.927.527.527.528.428.128.228.428.228.328.528.628.427.927.927.627.928.127.527.727.727.928.027.827.627.8
Percentage of Assets unp:RoadrailAndOtherTrackMaterialMember0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value118612491222118011151024867739647736795730903987105010841186125011931245117410801087107689895411331122994889906931110210041056764
Percentage of PropertyPlantAndEquipmentGross1.61.71.61.61.51.41.21.00.91.01.11.01.31.41.51.61.81.91.81.91.81.71.71.81.51.61.91.91.71.61.61.72.01.82.01.5
Percentage of Assets1.92.02.01.91.81.71.51.31.11.31.41.31.61.81.91.92.12.32.22.32.22.02.12.11.81.92.32.32.01.91.92.02.42.22.31.8
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value12639126311302412916128921306112946129971290312877125021282712816128401257412320121251212711596115691143511076
Percentage of PropertyPlantAndEquipmentGross16.917.017.617.617.617.917.918.118.118.217.918.418.518.618.418.218.118.217.717.817.817.5
Percentage of Assets20.320.521.020.921.022.121.822.122.322.321.822.722.923.022.322.121.722.221.621.421.521.0
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value527552765271526952665264526852725271525852285236520752205207520552035195518351835215519451535134512851205092510051065105509350955101509850084984
Percentage of PropertyPlantAndEquipmentGross7.17.17.17.27.27.27.37.37.47.47.57.57.57.67.67.77.87.87.98.08.18.28.38.48.58.68.68.78.88.99.09.19.39.49.39.6
Percentage of Assets8.58.68.58.58.68.98.99.09.19.19.19.39.39.49.29.39.39.59.69.69.89.99.810.010.110.310.410.410.510.810.811.011.311.311.111.6
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value1193113611581165112111171128112610991105102810171010974960960950919924918899872824803797711668658641633637626607610563565
Percentage of PropertyPlantAndEquipmentGross1.61.51.61.61.51.51.61.61.51.61.51.51.51.41.41.41.41.41.41.41.41.41.31.31.31.21.11.11.11.11.11.11.11.11.01.1
Percentage of Assets1.91.81.91.91.81.91.91.91.91.91.81.81.81.71.71.71.71.71.71.71.71.71.61.61.61.41.41.31.31.31.41.31.31.41.21.3
Percentage of Assets us-gaap:TechnologyEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value205372033020641204162020320126199571979919475192081893519064188311866918397181891794317698174391738417218169421680416541163301606315792155721537415282151101487014702145101428513655
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.033.033.333.132.934.033.633.733.733.233.033.833.733.532.732.732.232.432.432.132.432.132.032.132.132.332.331.831.732.432.132.132.432.231.731.7

us-gaap:PropertyPlantAndEquipmentByType

unp:EquipmentFreightCars



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value78377987188390692993999998598398097997097296996696696295697496896896996999010001001100910041018103210291075106110481040
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment3.83.84.24.34.54.64.75.05.15.15.25.15.25.25.35.35.45.45.55.65.65.75.85.96.16.26.36.56.56.76.86.97.37.37.37.6
Percentage of Assets1.31.31.41.41.51.61.61.71.71.71.71.71.71.71.71.71.71.81.81.81.81.81.81.91.92.02.02.12.12.22.22.22.42.42.32.4
Percentage of Assets unp:EquipmentFreightCars0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:EquipmentLocomotives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value345334343807377037393861383638283737369736063941390039393859383037323726362737303775369437043625354434813380331532833321324531533074300329052699
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment16.816.918.418.518.519.219.219.319.219.219.020.720.721.121.021.120.821.120.821.521.921.822.021.921.721.721.421.321.421.721.521.220.920.720.319.8
Percentage of Assets5.65.66.16.16.16.56.56.56.56.46.37.07.07.16.96.96.76.86.76.97.17.07.07.07.07.06.96.86.87.06.96.86.86.76.46.3
Percentage of Assets unp:EquipmentLocomotives0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:EquipmentWorkEquipmentAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value3303223173093113012972882772672632512412322262132031911851721611531441351261191121059789807165574939
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment1.61.61.51.51.51.51.51.51.41.41.41.31.31.21.21.21.11.11.11.00.90.90.90.80.80.70.70.70.60.60.50.50.40.40.30.3
Percentage of Assets0.50.50.50.50.50.50.50.50.50.50.50.40.40.40.40.40.40.30.30.30.30.30.30.30.20.20.20.20.20.20.20.20.10.10.10.1
Percentage of Assets unp:EquipmentWorkEquipmentAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:FinanceLeaseAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value766797780762717
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment3.73.93.83.73.5
Percentage of Assets1.21.31.31.21.2
Percentage of Assets unp:FinanceLeaseAssets0.00.00.00.00.0

unp:Road



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15481152921512614945147511454214393142031401413801136451346813315131141294612795126671246112314121611198811807
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment75.475.273.373.273.072.372.171.772.071.972.170.670.770.270.470.370.670.470.670.069.669.7
Percentage of Assets24.924.824.424.224.124.624.324.224.323.923.823.823.823.523.023.022.722.822.922.422.622.4
Percentage of Assets unp:Road0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadBallast



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value1687166916471636161915951573155315331509149314741455143014061392137513501328131012881264124112201195117111481127110810851064104310231008988944
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment8.28.28.08.08.07.97.97.87.97.97.97.77.77.77.67.77.77.67.67.57.57.57.47.47.37.37.37.27.27.17.07.07.06.96.96.9
Percentage of Assets2.72.72.72.72.62.72.72.62.72.62.62.62.62.62.52.52.52.52.52.42.42.42.42.42.32.42.32.32.32.32.32.22.32.22.22.2
Percentage of Assets unp:RoadBallast0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value412440563981391538443766370036253549348234203352329732263172311930903021298329432898285228312796278427262688265126212583255925352511250224992376
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment20.120.019.319.219.018.718.518.318.218.118.117.617.517.317.217.117.217.117.116.916.816.816.816.917.017.017.017.017.016.916.917.017.117.217.517.4
Percentage of Assets6.66.66.46.36.36.46.26.26.16.06.05.95.95.85.65.65.55.55.55.45.55.45.45.45.55.55.55.45.45.55.45.55.55.55.55.5
Percentage of Assets unp:RoadOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadTies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value323031863176312630753025302729812935288128632823278227362712267626422595257625372495245024352396235723102265222721942157213820962060202819911858
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment15.715.715.415.315.215.015.215.115.115.015.114.814.814.714.714.714.714.714.814.614.514.514.514.514.414.414.314.314.314.114.114.114.014.013.913.6
Percentage of Assets5.25.25.15.15.05.15.15.15.15.05.05.05.04.94.84.84.74.84.84.74.74.64.64.64.64.64.64.54.54.64.54.54.54.54.44.3
Percentage of Assets unp:RoadTies0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadrailAndOtherTrackMaterialMember



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-03-312011-12-312010-12-31
Value644063816322626862136156609360445997592958695819578157225656560855605495542753715307524149704756463945924458
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment31.431.430.630.730.830.630.530.530.830.931.030.530.730.630.730.831.031.031.130.930.830.930.931.131.631.632.6
Percentage of Assets10.410.310.210.210.110.410.310.310.410.310.210.310.310.310.010.110.010.110.19.910.09.910.010.110.210.210.3
Percentage of Assets unp:RoadrailAndOtherTrackMaterialMember0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value4566453549954962495650915072511549994947484951715111514350545009490148794768487649044815
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment22.222.324.224.324.525.325.425.825.725.825.627.127.127.527.527.527.327.627.328.028.528.4
Percentage of Assets7.37.48.18.08.18.68.68.78.78.68.49.29.19.29.09.08.88.98.99.09.29.1
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value490503520509496493492481462460441425405412397385375358357347326320305295286286282269255273276266255259253241
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment2.42.52.52.52.52.42.52.42.42.42.32.22.22.22.22.12.12.02.02.01.91.91.81.81.81.81.81.71.71.81.81.81.71.81.81.8
Percentage of Assets0.80.80.80.80.80.80.80.80.80.80.80.80.70.70.70.70.70.70.70.60.60.60.60.60.60.60.60.50.50.60.60.60.60.60.60.6
Percentage of Assets us-gaap:TechnologyEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value541215391653488531155285652679522105194751696516055103650814505505038949939494614907148866481494751246928462724555344901441894374943311429114237641997416174093740309399343942538908385123825337202
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets87.087.486.386.186.289.188.088.589.589.388.990.090.490.488.788.888.089.589.687.788.387.886.787.186.888.088.587.587.389.188.488.388.988.687.588.488.488.888.2

us-gaap:PropertyPlantAndEquipmentByType

unp:EquipmentFreightCars



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value13061304128812891292130013031293131012721274127412811271127212811253124112221163113811481146110410891085104710331006973955909878896870846
Percentage of PropertyPlantAndEquipmentNet2.42.42.42.42.42.52.52.52.52.52.52.52.52.52.52.62.62.52.52.42.42.52.52.52.52.52.42.42.42.32.32.22.22.22.22.2
Percentage of Assets2.12.12.12.12.12.22.22.22.32.22.22.32.32.32.32.32.22.32.32.12.12.22.22.12.12.22.12.12.12.12.02.01.92.01.92.0
Percentage of Assets unp:EquipmentFreightCars0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:EquipmentLocomotives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value600360335985590958995931587959195930598957035707575157535574534252745301492148504812458244684257418040374084409339963976402837493575349935283437
Percentage of PropertyPlantAndEquipmentNet11.111.211.211.111.211.311.311.411.511.611.211.211.411.411.210.810.710.810.210.210.39.99.89.59.59.29.49.59.49.59.79.28.98.88.99.0
Percentage of Assets9.69.89.79.69.610.09.910.110.310.49.910.110.310.39.99.69.59.79.29.09.18.78.58.38.28.18.38.38.28.48.68.17.97.87.88.0
Percentage of Assets unp:EquipmentLocomotives0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:EquipmentWorkEquipmentAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value764759756756745739692670664669676675673673674688697706685680581531457436433442447441440446450456464472467266
Percentage of PropertyPlantAndEquipmentNet1.41.41.41.41.41.41.31.31.31.31.31.31.31.31.31.41.41.41.41.41.21.11.01.01.01.01.01.01.01.11.11.11.21.21.20.7
Percentage of Assets1.21.21.21.21.21.21.21.11.11.21.21.21.21.21.21.21.21.31.31.31.11.00.90.80.90.90.90.90.90.91.01.01.01.01.00.6
Percentage of Assets unp:EquipmentWorkEquipmentAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:Road



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value38884386623832838056379143779737565374093723737036367733660036130359233559935286348833461234378338203343533185
Percentage of PropertyPlantAndEquipmentNet71.871.771.771.671.771.771.972.072.071.872.172.071.571.371.371.371.170.871.471.271.271.7
Percentage of Assets62.562.761.861.761.863.963.363.764.464.164.164.864.664.563.263.462.563.463.962.462.963.0
Percentage of Assets unp:Road0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadBallast



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value411140834051400739753966394539293909389738833862382638123791376036983674366036173581356235293500346834503422336433333314328232483192317031473067
Percentage of PropertyPlantAndEquipmentNet7.67.67.67.57.57.57.67.67.67.67.67.67.67.67.67.67.57.57.67.67.67.77.77.87.87.97.97.87.97.97.97.97.97.98.08.0
Percentage of Assets6.66.66.56.56.56.76.76.76.86.76.86.86.86.86.76.86.66.76.86.76.76.86.76.86.86.97.06.96.97.07.07.07.07.07.07.1
Percentage of Assets unp:RoadBallast0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value163621627516073159221585915818156751564315594154901531215255149931491214716145811445014353142081390713717136241334313200129531287012470123381226112223120501189211663116161134711258
Percentage of PropertyPlantAndEquipmentNet30.230.230.030.030.030.030.030.130.230.030.030.029.729.629.529.529.429.429.529.329.229.429.329.429.329.428.828.828.929.129.029.028.929.128.829.4
Percentage of Assets26.326.425.925.825.926.726.426.727.026.826.727.026.826.826.126.225.926.326.425.725.825.825.425.625.425.925.525.225.225.925.625.625.725.825.226.1
Percentage of Assets unp:RoadOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadTies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value756375077477744274217384736873307292725172217178711870767049699169056844681767456699665266206572652464756447638163076247617961166017595959125773
Percentage of PropertyPlantAndEquipmentNet14.013.914.014.014.014.014.114.114.114.114.114.114.114.014.114.114.114.014.214.214.314.414.514.614.814.814.914.914.914.914.814.914.914.915.015.1
Percentage of Assets12.212.212.112.112.112.512.412.512.612.512.612.712.712.712.512.612.412.512.712.412.612.612.612.712.813.013.213.013.013.213.113.213.313.213.113.4
Percentage of Assets unp:RoadTies0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

unp:RoadrailAndOtherTrackMaterialMember



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-03-312011-12-312010-12-31
Value108481079710727106851065910629105771050710442103981035710305101931012310043995498309741969395519438934788918464796578697534
Percentage of PropertyPlantAndEquipmentNet20.020.020.120.120.220.220.320.220.220.120.320.320.220.120.120.120.019.920.120.120.120.220.320.219.819.719.7
Percentage of Assets17.417.517.317.317.418.017.817.918.118.018.018.218.218.217.817.917.617.818.017.617.817.717.918.017.617.417.5
Percentage of Assets unp:RoadrailAndOtherTrackMaterialMember0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value118612491222118011151024867739647736795730903987105010841186125011931245117410801087107689895411331122994889906931110210041056764
Percentage of PropertyPlantAndEquipmentNet2.22.32.32.22.11.91.71.41.31.41.61.41.82.02.12.22.42.62.52.62.52.32.42.42.02.22.62.62.32.12.22.32.72.52.72.0
Percentage of Assets1.92.02.01.91.81.71.51.31.11.31.41.31.61.81.91.92.12.32.22.32.22.02.12.11.81.92.32.32.01.91.92.02.42.22.31.8
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value8073809680297954793679707874788279047930765376567705769775207311722472486828669365316261
Percentage of PropertyPlantAndEquipmentNet14.915.015.015.015.015.115.115.215.315.415.015.115.215.315.114.814.714.814.214.113.913.5
Percentage of Assets13.013.113.012.912.913.513.313.413.713.713.313.613.813.813.413.113.013.312.712.412.311.9
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value527552765271526952665264526852725271525852285236520752205207520552035195518351835215519451535134512851205092510051065105509350955101509850084984
Percentage of PropertyPlantAndEquipmentNet9.79.89.99.910.010.010.110.110.210.210.210.310.310.410.410.510.610.610.810.911.111.211.311.411.611.711.811.912.012.212.212.412.712.812.713.0
Percentage of Assets8.58.68.58.58.68.98.99.09.19.19.19.39.39.49.29.39.39.59.69.69.89.99.810.010.110.310.410.410.510.810.811.011.311.311.111.6
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value703633638656625624636645637645587592605562563575575561567571573552519508511425386389386360361360352351310324
Percentage of PropertyPlantAndEquipmentNet1.31.21.21.21.21.21.21.21.21.21.21.21.21.11.11.21.21.11.21.21.21.21.11.11.21.00.90.90.90.90.90.90.90.90.80.8
Percentage of Assets1.11.01.01.11.01.11.11.11.11.11.01.01.11.01.01.01.01.01.11.11.11.01.01.01.00.90.80.80.80.80.80.80.80.80.70.8
Percentage of Assets us-gaap:TechnologyEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value207820502003198919511912188718561810180915661504148014571446140814041410137313751375139013841369134413211282127212401259123512111210117511711176115711371036
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.33.23.23.23.23.23.23.13.12.72.72.62.62.62.52.52.62.62.52.62.62.62.72.62.72.62.62.62.72.62.62.72.62.62.72.72.62.5

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value440436483442413393399392386386346291282276318255214194299307363375851789686671301300299283272270252260256246241266266
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.70.70.70.70.70.70.70.60.50.50.50.60.50.40.40.60.60.70.71.61.51.31.30.60.60.60.60.60.60.60.60.60.60.60.60.6

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value464143514587566552624626452943724746393938313406384836403257309532873206350834133390376538333777418837913655382536103119387439173902331737243153294729522682
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.57.17.49.28.67.87.67.48.26.86.76.06.96.55.85.65.95.96.56.36.47.17.37.38.27.67.57.87.46.68.28.48.67.48.37.26.86.96.4

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value71174971174679487290584476810138388287899558197877917439341005882877870924888803831908815825886955844819793816729677612
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.21.11.21.31.51.51.41.31.81.51.51.41.71.51.41.41.41.71.91.71.71.71.81.71.61.71.91.71.71.92.11.91.81.81.91.71.61.5

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value313030943166336835593160306129162855313929282875312528822850268628852612298729822974330333733319355630862964309230582923316131373133310830822974276727132470
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.05.05.15.55.85.35.25.04.95.45.15.15.65.25.14.85.24.85.65.55.66.36.46.47.06.26.16.36.36.26.76.86.96.96.86.86.36.35.9

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value487538616549509575578570591671656626577570592551486550637593554640652609554579549574520556562500502624601551473548480
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 Assets0.80.91.00.90.81.01.01.01.01.21.11.11.01.01.11.00.91.01.21.11.01.21.21.21.11.21.11.21.11.21.21.11.11.41.31.31.11.31.1

Taxes Payable Current

us-gaap:TaxesPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value754496580644934694644579641547561523901472593470764434562476675412562509877491415413585368613513704482567418464337224
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.20.80.91.01.51.21.11.01.10.91.00.91.60.81.10.81.40.81.00.91.30.81.11.01.71.00.80.81.20.81.31.11.61.11.30.91.10.80.5

Dividends Payable Current

Long Term Debt

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value179217881775173118351871192519421907193119611899186219011785180318151844179619592040206417161659166516802026212422102248201620882108213617221795179018132021
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.92.92.83.03.23.23.33.33.33.43.43.33.43.23.23.33.43.33.63.83.93.33.23.33.44.14.34.64.84.34.54.64.73.84.14.14.24.8

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value159911812818016181711774220423206451990924389248561915119615197231993220284204222047520702205992099021057211892155321440212722122520774205242014419877195491908718755185781856518306180461776316801
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.729.429.129.428.934.534.833.942.243.033.434.735.335.836.036.736.737.938.338.739.640.241.041.641.842.742.441.941.542.241.541.241.441.241.241.641.441.239.8

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value278127802780278027802779277927792779277827782778277927772777277827782776277627762776277527752775138813871387138713871386138613861387138613861386138613851384
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.54.54.54.54.74.74.74.84.84.84.95.05.04.95.05.05.15.25.15.25.35.35.42.72.82.82.82.92.92.93.03.13.13.13.13.23.23.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value494194860547875469974604945284443134331142359413173456133847331673258731940312663074730233295832875928034273672638025456259622528824476236902290522271215602080220084195081883318159176071715415027
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets79.478.877.276.275.176.674.773.873.371.560.259.959.358.556.756.155.155.455.053.152.851.950.249.451.050.850.048.347.247.245.844.944.343.341.841.240.439.835.6

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value389923642435839342623363830674288582853123800225742147020220193771858117654168171622315529149481371412886120641119310346957789108135756771136707647961175726529349424519420740272924
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets62.759.157.855.554.951.948.748.641.239.137.435.834.733.331.430.229.128.427.825.324.222.921.320.118.817.916.615.414.614.213.813.212.611.711.010.39.79.36.9

us-gaap:AcceleratedShareRepurchasesDate

unp:AcceleratedShareRepurchaseAgreement



Period End2020-03-312019-03-31
Value16002000
Percentage of TreasuryStockValue4.15.9
Percentage of Assets2.63.3
Percentage of Assets unp:AcceleratedShareRepurchaseAgreement0.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-1329-1356-1305-1298-1378-1415-1392-1428-1422-1141-1172-1221-1252-1272-1185-1198-1208-1195-1212-1208-1218-1210-708-714-734-750-1143-1148-1169-1186-1015-1061-1046-1054-732-719-728-734-654
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 Assets-2.1-2.2-2.1-2.1-2.2-2.4-2.3-2.4-2.5-2.0-2.0-2.2-2.2-2.3-2.1-2.2-2.2-2.2-2.3-2.2-2.3-2.3-1.3-1.4-1.4-1.5-2.3-2.3-2.4-2.5-2.2-2.3-2.3-2.3-1.6-1.6-1.7-1.7-1.6

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-1128-1150-1089-1100-1182-1192-1198-1217-1235-1029-1066-1106-1121-1132-1068-1082-1095-1103-1116-1133-1149-1161-671-682-693-713
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax84.984.883.484.785.884.286.185.286.890.291.090.689.589.090.190.390.692.392.193.894.396.094.895.594.495.1
Percentage of Assets-1.8-1.9-1.8-1.8-1.9-2.0-2.0-2.1-2.1-1.8-1.9-2.0-2.0-2.0-1.9-1.9-2.0-2.0-2.1-2.1-2.2-2.2-1.3-1.3-1.4-1.4
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-201-206-216-198-196-223-194-211-187-112-106-115-131-140-117-116-113-92-96-75-69-49-37-32-41-37
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax15.115.216.615.314.215.813.914.813.29.89.09.410.511.09.99.79.47.77.96.25.74.05.24.55.64.9
Percentage of Assets-0.3-0.3-0.3-0.3-0.3-0.4-0.3-0.4-0.3-0.2-0.2-0.2-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value215519591694152417951590137214041539169413461294138510251039656
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.239.131.028.834.229.826.327.530.133.227.728.831.423.324.816.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-807-784-939-800-767-984-1052-830-878-875-709-657-815-605-573-495
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-16.5-15.6-17.2-15.1-14.6-18.4-20.1-16.2-17.2-17.2-14.6-14.6-18.5-13.7-13.7-12.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-997-1405-827130-1095-677-114-796-1091-227-830-475-842-379-902-258
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.4-28.0-15.12.5-20.9-12.7-2.2-15.6-21.4-4.5-17.1-10.6-19.1-8.6-21.6-6.5

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value215519591694152417951590137214041539169413461294138510251039656
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.239.131.028.834.229.826.327.530.133.227.728.831.423.324.816.5

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value14741403155515701391155415931509131072781194116810721144113197997911171300120411511431137012911088117411511106957103610421002863964904785639775778711516549514465362
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.226.930.230.027.827.028.728.423.9133.522.122.220.922.121.920.520.321.423.422.220.523.322.221.519.320.920.720.218.119.719.519.216.918.917.716.214.217.617.617.013.014.614.014.110.6

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1474155515701391159315091310107297911511431137012911088117411511106957103610421002863964904785639775778711516
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.230.230.027.828.728.423.920.920.320.523.322.221.519.320.920.720.218.119.719.519.216.918.917.716.214.217.617.617.013.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6453-339-9449-32288-46-1457766787-48897-8-1715549123-722930201-36
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-807-784-939-800-767-984-1052-830-878-875-709-657-815-605-573-495
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-16.5-15.6-17.2-15.1-14.6-18.4-20.1-16.2-17.2-17.2-14.6-14.6-18.5-13.7-13.7-12.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value807752910811687110111201158117589386190594878286210601012804958891725602796630595461
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-997-1405-827130-1095-677-114-796-1091-227-830-475-842-379-902-258
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.4-28.0-15.12.5-20.9-12.7-2.2-15.6-21.4-4.5-17.1-10.6-19.1-8.6-21.6-6.5

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value29962992170620012781146069390099549900944006950048600400
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

Repayments Of Long Term Debt

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-12-302015-09-302015-06-302015-06-302015-03-302015-01-022015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value660626568492465467476479479484438922446410413363365322323323286285286289230233188186135
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-12-302015-09-302015-06-302015-06-302015-03-302015-01-022015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value660626568492465467476479479484438922446410413363365322323323286285286289230233188186135
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value255629871166759706792913862806644786599459374295
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesDate

unp:AcceleratedShareRepurchaseAgreement



Period End2020-03-312019-03-31
Value400500
Percentage of PaymentsForRepurchaseOfCommonStock15.616.7

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:StockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value333345555566666665555555333344000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:StockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value125.69113.38112.07111.21109.5992.0691.8591.1790.583.3781.1280.3680.1473.1371.5970.2869.6466.6965.865.4865.1453.5652.5551.8892.8980.1478.8978.0174.8965.6863.7360.752.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value287000.0308000.0348000.0461000.0503000.0339000.00.00.0228000.0228000.00.00.00.0304000.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.0100.00.0

unp:RetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value304000.0374000.0532000.0562000.0819000.0519000.07000.00.0453000.0411000.00.00.01000.0420000.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod105.9121.4152.9121.9162.8153.10.00.0198.7180.30.00.00.0138.20.0

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value222424272626253027262024172526282128283521262625192524251722212217
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value17731812193120762146
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value12078561303107110981328181016041048127512771391
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:AccessorialRevenues



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value117132123133126126121121108106
Percentage of AccessorialRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:AggregateGrantDateFairValueOfStockOptionsVested



Period End2020-03-312019-03-312018-03-31
Value141518
Percentage of AggregateGrantDateFairValueOfStockOptionsVested100.0100.0100.0

unp:DeferredIncomeTaxesAndUnrecognizedTaxBenefits



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value91103112145169108752652622871722393146554
Percentage of DeferredIncomeTaxesAndUnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:EquipmentAndOtherRents



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value227236260258272265266275273276282286289302312311296310316312311309302313302300299296289293283302278292282290
Percentage of EquipmentAndOtherRents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

unp:LossContingencyAccrualCarryingValueChangeInPriorYears

unp:PersonalInjury



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2-2-114-10-6-11620-6-15-1-14-8-18-4-393-20-12-22-17
Percentage of LossContingencyAccrualCarryingValueChangeInPriorYears100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:PurchasedServicesAndMaterial



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value521574573576632630599615597566566570569589600643665650636607585588585557533542542526508506516475467465472432
Percentage of PurchasedServicesAndMaterial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:ReceivablesSecuritizationFacilityInterestExpenseCost



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value34343441212121211111211101111111
Percentage of ReceivablesSecuritizationFacilityInterestExpenseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

unp:SubsidiaryRevenue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value214223219223228211217223222215
Percentage of SubsidiaryRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:TreasurySharesRepurchasedForEmployeePayrollTaxes



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value8372265832
Percentage of TreasurySharesRepurchasedForEmployeePayrollTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:WeightedAverageNumberOfSharesOutstandingDilutiveEffectOfRetentionSharesAndUnits



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value111111111111111101100111012101210111
Percentage of WeightedAverageNumberOfSharesOutstandingDilutiveEffectOfRetentionSharesAndUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:WeightedAverageNumberOfSharesOutstandingDilutiveEffectOfStockOptions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value011121111111111101110111011202130333
Percentage of WeightedAverageNumberOfSharesOutstandingDilutiveEffectOfStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value151016219
Percentage of AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesPayments1



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value1617141117
Percentage of AccrualForEnvironmentalLossContingenciesPayments1100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value000000111033000010000000000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value169149749410014682-17010923-91210716-9111183116277359-51160
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-312018-03-31
Value351-230-227
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.970.970.880.880.80.730.730.6050.6050.6050.550.550.550.550.550.550.50.50.4550.910.790.790.690.690.69000000000000020.60000000000000010.60.60.59999999999999990.47500000000000010.4750.380.380.330000000000000070.329999999999999960.27
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-2-1-2-1-2-3-2-2-2-3-2-3
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-28-16-16-16-24-22-23-20-19-20-21-21
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses1400.01600.0800.01600.01200.0733.31150.01000.0950.0666.71050.0700.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value706868686868686666666767
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value132332332323
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value344040403636363536353636
Percentage of DefinedBenefitPlanInterestCost3400.01333.32000.01333.31200.01800.01200.01166.71800.01166.71800.01200.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value191110101816187711121111
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value272322222626272122232121
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value547557551549547546543528525520512504502507497491489481470464458447438434453447433427413408401395380372368367
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6606776226265915575684924654844444464104143623653213232035-284-858287289230233186187163166137
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6606776226265915575684924654844444464104143623653213232035-284-858287289230233186187163166137
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value11363474842
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value333639741543225610
Percentage of ExcessTaxBenefitFromShareBasedCompensationOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value7989
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability



Period End2020-03-312019-03-31
Value1317
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0

us-gaap:FinanceLeasePrincipalPayments



Period End2020-03-312019-03-31
Value4158
Percentage of FinanceLeasePrincipalPayments100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization



Period End2020-03-312019-09-302019-06-302019-03-31
Value17181818
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0

us-gaap:FuelCosts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value434504560531659643589450434460392346320484541564813882923921905866863900920880882926935916904826687608608583
Percentage of FuelCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value114646766311343632510121757
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19182021205817902076193817111983186916881805156415662081193818552298220620801759188318521768154516401677161013911530145312701011118012731146834
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-168-259-379-186-58-155-705414984122-12834135-238244252610820754187-261117200
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value74-837821-1-47-24-31124128-551-44181-252278-22-74-23-315291-1134732552
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value289240225434671497386217
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInMaterialsAndSupplies



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-59385943-2032-24-33452-3029-1-5-2098-100687169
Percentage of IncreaseDecreaseInMaterialsAndSupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1571121323775189-18693-93-18231437170-15758-42-231197-102
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndOtherIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value6106910544423322111
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value349356230203215192942295317876201721791035-207-69-198-1067810-113-202-1142844-98-218
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value105911341145120512621241127312981197125711911160121312671305136912891287124612541210119611851216113511881151121111551193116611671112109210511059
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value93102111120
Percentage of LeaseCost100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualPayments

unp:PersonalInjury



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value1521212213
Percentage of LossContingencyAccrualPayments100.0100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualProvision

unp:PersonalInjury



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value181819192123169-30-6623157-23-7427210
Percentage of LossContingencyAccrualProvision100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-8-12-8-8-3-4-461
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value69758593
Percentage of OperatingLeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-03-31
Value210215
Percentage of OperatingLeasePayments100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302017-03-312016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-71824-24-1725-12-17-632621724-8-5-9-6-511-5-1-5-9
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-06-302019-03-312018-06-302017-09-302017-06-302017-03-312016-09-302016-03-312015-06-302015-03-312014-03-31
Value-22231-3-13-1514-10
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax28.691.7-12.54.025.05.9-50.00.019.214.316.7166.7

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value-5182-27-1724-9-16-91321216205-94
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax71.4100.08.3112.5100.096.075.094.1150.00.0100.080.8100.085.783.3-100.0100.0-66.7

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value27-7803736-6194931201310-13-410-8-5026201639352117-17146-158-322-139
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value2211821019181940151114138171612111120
Percentage of OtherComprehensiveIncomeLossNetOfTax81.5-157.1102.527.052.8-300.0100.081.648.455.0107.7130.0-61.5-425.0160.0-150.0183.355.0125.0

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value5-18-22717-249169-1-3-21-21-6-20-59-4
Percentage of OtherComprehensiveIncomeLossNetOfTax18.5257.1-2.573.047.2400.018.451.645.0-7.7-30.0161.5525.0-60.0250.0-83.345.0-25.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value27-7803736-61920-13-8-5026201639352117-17146-158-322-13
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-22-1169-82-10-19-18-19-40-15-11-14-13-8-17-16-12490-11-11-20-388-17-17-14176-380730110
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7427477627181476-53-73-3113125236313125528-98197-75457-10
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherCostAndExpenseOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value298277247305287248266230219260271244249205225259228242228226188205219237182200190216191207196188173178122246
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value18151818161815141417
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value84621191473-117811139-31-131635-70-515739-23536641-11-346
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireShortTermInvestments



Period End2020-03-312019-03-312018-03-312017-03-31
Value70906090
Percentage of PaymentsToAcquireShortTermInvestments100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-71-23-24-33-44-20-13-2356-239211-34-611-2-22353446-6736118
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfCommercialPaper



Period End2020-03-312019-03-312018-03-31
Value-1299636
Percentage of ProceedsFromRepaymentsOfCommercialPaper100.0100.0100.0

us-gaap:ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments



Period End2020-03-312019-03-312018-03-312017-03-31
Value70906060
Percentage of ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value814121729327919132721352517252517135721191122141912
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value33102672261926118
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value20111213191919371414131313171716-426-111110388161616-17637
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value20111213191919371414131313171716111110
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

unp:TtxCompany



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value961001081051041101051009786939290969690
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RentalIncomeNonoperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value313433293330288926372323252522242425232422262137212121202120192023202120
Percentage of RentalIncomeNonoperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value30556011571842823333238238402423785683508571217250257448747948
Percentage of RepaymentsOfDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value181920222122212422221520132021241723222917212021152020201317171713151613
Percentage of RestrictedStockExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability



Period End2020-03-312019-03-31
Value459
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value32000.028000.05000.034000.047000.013000.010000.025000.061000.04000.01000.01000.054000.0-22000.0-5.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:RetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value22000.040000.024000.039000.074000.023000.04000.029000.057000.010000.03000.011000.072000.0-24000.0-15.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod68.8142.9480.0114.7157.4176.940.0116.093.4250.0300.01100.0133.3109.1300.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value138.71109.3978.291.9391.872.980.509999999999998-0.00999999999999801-56.75117.610.67000000000000171.17000000000000170.959999999999993795.890.9699999999999989
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:RetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value134.81109.5197.7690.5791.7267.31-0.0600000000000022740.720000000000006-51.53108.690.189999999999997732.88000000000000973.21999999999999978.521.6000000000000014
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue97.2100.1125.098.599.992.2-11.8-7200.090.892.428.4246.2335.481.9164.9

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value166.63151.33117.8101.3870.09117.420.00.0-83.05000000000001166.110.00.00.0125.140.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.0100.00.0

unp:RetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value185.97161.56125.08107.375.52122.830.15999999999999660.010000000000005116-87.15175.120.019999999999981810.00.020000000000010232132.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue111.6106.8106.2105.8107.7104.60.00.0104.9105.40.00.00.0105.50.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value336000.0267000.094000.0255000.0530000.0580000.00.00.0330000.0331000.00.00.0802000.0-401000.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.0

unp:RetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value000000000000100
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod181.0156.9650.0310.2146.8154.10.00.0163.3160.70.00.0211.5211.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value102.5870.57112.1983.0662.5754.380.00.0-44.9300000000000189.870.00.00.058.330.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.0100.00.0

unp:RetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value75.89120.9187.9467.9157.2846.940.179999999999999720.00999999999999801-30.99000000000000262.130.100000000000001420.100000000000001420.0399999999999991547.460.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue74.0171.378.481.891.586.30.00.069.069.10.00.00.081.40.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:StockOption



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.0210.0220.0230.0230.0290.0180.00.00.00.0210.00.00.00.0210.00.00.00.0210.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:StockOption



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.2340.2270.2110.2170.2320.2340.00.00.00.30.00.00.00.3620.00.00.00.3680.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

unp:PerformanceRetentionAwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value0.0140.0250.0230.0150.0090.0080.00.00.00.0070.00.00.00.0040.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.0

us-gaap:StockOption



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.0150.0250.0260.020.0130.0130.00.00.00.0160.00.00.00.0080.00.00.00.0080.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate107.1100.0113.0133.3144.4162.50.00.00.0228.60.00.00.0200.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value481026138301433107
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:StockOption



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value32.230.3721.718.1911.3622.30.00.0-20.1740.350.00.00.034.980.00.00.031.290.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:ShortTermLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.0100000.0200000.0200000.0
Percentage of ShortTermLeaseCost0.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value300000.0300000.0400000.0400000.0600000.0400000.0400000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-31
Value00010000001
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation166.70.00.0366.70.00.0125.0125.066.7125.0300.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2230402639372-7-15163139734032343710353744264226597248583127
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-112325-202525-3-15-363022303623212728211620212511211131619-9
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation50.076.762.5-76.964.167.6-150.0214.3240.0187.571.076.949.357.565.679.475.7210.045.754.147.796.226.280.818.64.22.110.361.3-33.3

us-gaap:CommonStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1112210001000100-1100010001
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-4.53.850.0-28.6-13.36.20.00.00.02.50.00.00.010.00.00.0-2.33.80.00.00.01.40.00.00.03.7

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-127154514124619-159937161179-121917240315486847521235
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation54.523.337.5173.135.932.4200.0-85.7-126.7-93.829.023.150.740.034.420.624.3-120.054.345.954.50.073.819.281.494.497.989.738.7129.6

us-gaap:StockOptionPlanExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value454554465454455445664564454545453554
Percentage of StockOptionPlanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value178.66167.32163.3171.24165.79153.04151.94142.74132.84119.37106.69109.1106.5597.693.6385.6676.4988.1989.65104.62117.28113.77102.5496.84178.85159.36156.77151.42136.58121.81122.13110.02110.6498.1691.45100.7594.189.3973.1971.740.00.00.00.00.0
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312015-02-062014-12-312014-10-222014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value14393181223399117799796137627288343322333
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesDate

unp:AcceleratedShareRepurchaseAgreement



Period End2020-03-312020-03-312019-09-302019-09-302019-03-312019-03-312019-03-312018-12-312018-12-312018-06-302018-06-30
Value8833111111441919
Percentage of TreasuryStockSharesAcquired61.433.365.035.759.8

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-31
Value-14-931823397967
Percentage of TreasuryStockSharesAcquired-100.0-99.7101.899.798.299.9100.499.699.8100.3199.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312015-02-062014-12-312014-10-222014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-03-31
Value29561056639350934154631230802713807327880230856806683786575463394247248
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AcceleratedShareRepurchasesDate

unp:AcceleratedShareRepurchaseAgreement



Period End2020-03-312019-03-312019-03-312018-06-30
Value2000250025003600
Percentage of TreasuryStockValueAcquiredCostMethod67.771.265.9

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-03-312018-06-302011-03-31
Value400-5285007200
Percentage of TreasuryStockValueAcquiredCostMethod13.5-50.014.213.20.0

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-03-31
Value25561584639300934147431230802713807880856806683786575463394247248
Percentage of TreasuryStockValueAcquiredCostMethod86.5150.0100.085.8100.086.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value1221
Percentage of VariableLeaseCost100.0100.0100.0100.0

unp:AccountsReceivableSupportingUndividedInvestorHeldInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value140013001300140013001400140013001200110011001000100010001000100010009001100110012001200130013001200110012001200120011001300120011001100960
Percentage of AccountsReceivableSupportingUndividedInvestorHeldInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:BoardOfDirectorsRemainingDebtIssuance



Period End2020-03-312019-12-312017-03-312016-12-312016-09-302016-07-282014-02-072013-12-312013-09-302013-06-302013-03-312012-12-312010-12-312010-02-10
Value3000600035503550355090018502850335033503350140025002250
Percentage of BoardOfDirectorsRemainingDebtIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-04-072020-01-312017-04-05
Value225030002550
Percentage of BoardOfDirectorsRemainingDebtIssuance0.00.00.0

unp:EquipmentRentsPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10510010310710710711311811311010710510110110510499105105108101100106108101969599100951019694909392908689
Percentage of EquipmentRentsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:FairValueOfTotalDebtInExcessOfCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1600200028001700600-500-200-10040013001200100090090023002400170010001000900180015001200120090060080012001900210019001800150016001600100011001200945
Percentage of FairValueOfTotalDebtInExcessOfCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:LeaseLiability



Period End2020-03-312019-12-312019-09-30
Value221724382535
Percentage of LeaseLiability100.0100.0100.0

unp:LeaseRightOfUseAsset



Period End2020-03-312019-12-31
Value22172280
Percentage of LeaseRightOfUseAsset100.0100.0

unp:SecuredDebtUnderReceivablesSecuritizationFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value400400400400400400400400650500200200200040040040000400400400100100100100100100
Percentage of SecuredDebtUnderReceivablesSecuritizationFacility100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:ValueOutstandingUndividedInterestHeldByInvestorsUnderReceivablesSecuritizationFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-01-022012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value400400400400400400400400650500200200200040040040040040040040040040040000400400400400100100100100100100
Percentage of ValueOutstandingUndividedInterestHeldByInvestorsUnderReceivablesSecuritizationFacility100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:AccountsPayableRelatedPartiesCurrent

unp:TtxCompany



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value65626573696668736869676655616362606153
Percentage of AccountsPayableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value226227226220216223217206198196201204203212208211192190201202191182179167166171179168166170175172213
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-03-312010-12-312009-12-31
Value366370367371381384381380388384384385393387386391403391410414421409401395395385382375379376374369370363361357339
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value6462626363595859575756565355545556526059586051515253504950504950
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value411245234505395439294449380337784473447644544431440644214406439343814417440043774351432142994269423342104189416241344113409740774056403140203999398839853968
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2243263333322357485445544113444454956653
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value383534312827272419171718181729161211131314161818212225272633353638414249475167
Percentage of AllowanceForDoubtfulAccountsReceivableNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentFaceAmount

unp:NotesDue20503250Percent, us-gaap:SubsequentEvent



Period End2020-04-07
Value750
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value29500272002850027000257002190022200227001800018200180001680015900159001790017500169001520014300142001410013000127001200011100102001020011000118001110011400112001040010500110009900103001040010800
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-31
Value1208811992
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0

us-gaap:StatementScenario

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear

srt:ScenarioForecast



Period End2020-12-31
Value-94
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear100.0

us-gaap:StatementScenario, us-gaap:RetirementPlanType

srt:ScenarioForecast, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-12-31
Value5
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear-5.3

srt:ScenarioForecast, us-gaap:PensionPlansDefinedBenefit



Period End2020-12-31
Value-99
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear105.3

us-gaap:StatementScenario

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear

srt:ScenarioForecast



Period End2020-12-31
Value108
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear100.0

us-gaap:StatementScenario, us-gaap:RetirementPlanType

srt:ScenarioForecast, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-12-31
Value9
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear8.3

srt:ScenarioForecast, us-gaap:PensionPlansDefinedBenefit



Period End2020-12-31
Value99
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear91.7

us-gaap:StatementScenario

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear

srt:ScenarioForecast



Period End2020-12-31
Value14
Percentage of DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear100.0

us-gaap:StatementScenario, us-gaap:RetirementPlanType

srt:ScenarioForecast, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-12-31
Value14
Percentage of DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear100.0

us-gaap:StatementScenario, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

srt:ScenarioForecast, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-12-31
Value0.045
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0

us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

unp:PerformanceRetentionAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value29242335544247515639475561201719371925376636415062394555654148
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:RetentionAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value1319010311913591101116133879911312884981131278810111613187991131247181951057989
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized451.7375.0447.8340.0250.0216.7214.9227.5237.5223.1210.6205.5209.8420.0576.5594.7343.2463.2404.0313.5198.5241.7241.5226.0200.0182.1180.0172.7161.5192.7185.4

us-gaap:StockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value28161924301722273219222833182327311821263115192429172126312025
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized96.666.782.668.655.640.546.852.957.148.746.850.954.190.0135.3142.183.894.784.070.347.041.746.348.046.843.646.747.347.748.852.1

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestments

unp:TtxCompany



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value1400140014001300130013001300120012001200935910890877861847836830795
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent



Period End2020-03-312019-12-31
Value119114
Percentage of FinanceLeaseLiabilityCurrent100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent



Period End2020-03-312019-12-31
Value433491
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset



Period End2020-03-312019-12-31
Value444468
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:GuaranteeObligationsCurrentCarryingValue

us-gaap:GuaranteeObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value000000000000000000005000111122222332233
Percentage of GuaranteeObligationsCurrentCarryingValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:GuaranteeObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value151519222222263333333343434347535353566278828893299299302307307
Percentage of GuaranteeObligationsMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-10-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value606060606060909090909090909060330330
Percentage of HeldToMaturitySecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel2, us-gaap:BankTimeDeposits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value75758085909090909090909060310310
Percentage of HeldToMaturitySecuritiesCurrent125.0125.0133.3141.7150.0100.0100.0100.0100.0100.0100.0100.0100.093.993.9

us-gaap:InterestPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value204289201299198317240223165220179205170212169198162208143179133178127161130169114183122172126199133197200
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value263652394324314229552340920925209432135715697161441593015229143101424915205147771479113607127981290811884110181104510385954488728764907693098801877386368066869787658759901690039636
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value151112571421229717031466146814561891800903531723758407409402594521431416462460458632705691733552196713780769209642179180239212
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualAtCarryingValue

unp:PersonalInjury



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value270265272265266271273269272285287285291290288289316318317312299335303293294294317315335334348340372368391401429426460462533545621593
Percentage of LossContingencyAccrualAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyAccrualCarryingValueCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value177190211210219211200202189194203203194185186185180181196207208249207
Percentage of LossContingencyAccrualCarryingValueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

unp:PersonalInjury



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value626361636772706870666969656262636163636470111778078828590979597102107103140140141140157157158158186
Percentage of LossContingencyAccrualCarryingValueCurrent35.033.228.930.030.634.135.033.737.034.034.034.033.533.533.334.133.934.832.130.933.744.60.00.00.039.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyEstimateOfPossibleLoss

srt:Maximum, unp:PersonalInjury



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value295289297290292297299
Percentage of LossContingencyEstimateOfPossibleLoss100.0100.0100.0100.0100.0100.0100.0

srt:Minimum, unp:PersonalInjury



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value270265272265266271273
Percentage of LossContingencyEstimateOfPossibleLoss91.591.791.691.491.191.291.3

us-gaap:MaterialsSuppliesAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value692751771775780742789772808749742726760717690660716736741762744712736739705653683654655660680646614
Percentage of MaterialsSuppliesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-30
Value326362377442
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value13391471154216121663
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:OtherCurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value651341102742
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value121212121213
Percentage of RestrictedCashAndCashEquivalents18.592.329.3120.044.431.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

unp:PerformanceRetentionAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value000001111111111111111111000001000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:RetentionAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value111112222222222222223333111112000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber187.1204.3204.9206.9203.0189.6192.4192.8186.3203.3207.8209.0208.9243.6241.8243.2242.8231.1223.0224.4226.1215.0213.8212.5206.1196.6197.4198.5199.3219.1218.8219.4212.3

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

unp:PerformanceRetentionAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value145.57123.32123.41123.4122.3795.1295.3395.4195.0292.9292.8292.8292.8186.2386.286.286.382.9883.3883.3583.3265.3365.3365.26130.28107.4107.41107.44107.3583.883.6883.6763.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unp:RetentionAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value140.1112.12112.04111.99111.74104.55104.27104.25104.295.0494.9494.9394.8984.6884.6784.6784.5980.0179.9579.9279.6564.3964.2964.22127.4298.0497.8997.8997.6173.2773.1673.1263.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue96.290.990.890.891.3109.9109.4109.3109.7102.3102.3102.3102.298.298.298.298.096.495.995.995.698.698.498.497.891.391.191.190.987.487.487.499.3

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:StockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value85236186223242239374288263286233203194205192147115114161198268353314281370327296304305258263362379
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1599118128180161817117742204232064519909243892485619151196151972319932202842042220475207022059920990210572118921553214402127221225207742052420144198771954919087187551857818565183061804617763174361732317213168011531515456
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-1329-1356-1305-1298-1378-1415-1392-1428-1422-1141-1172-1221-1252-1272-1185-1198-1208-1195-1212-1208-1218-1210-708-714-734-750-1143-1148-1169-1186-1015-1061-1046-1054-732-719-728-734-649-648-648-654-704-74
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-8.3-7.5-7.2-7.1-7.8-6.9-6.7-7.2-5.8-4.6-6.1-6.2-6.3-6.4-5.8-5.9-5.9-5.8-5.9-5.8-5.8-5.7-3.3-3.3-3.5-3.5-5.5-5.6-5.8-6.0-5.2-5.6-5.6-5.7-3.9-3.9-4.0-4.1-3.7-3.7-3.8-3.9-4.6-0.5

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value41124523450539543929444938033778447344764454443144064421440643934381441744004377435143214299426942334210418941624134411340974077405640314020399939883985398439783959396839493926
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest25.725.025.021.822.121.818.419.018.318.023.322.622.322.221.721.521.421.321.420.920.720.419.919.919.919.820.220.320.520.721.021.421.621.721.721.822.122.422.823.023.023.625.825.4

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value27812780278027802780277927792779277927782778277827792777277727782778277627762776277627752775277513881387138713871387138613861386138713861386138613861385138513851385138413821381
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest17.415.315.415.315.713.613.514.011.411.214.514.214.113.913.713.613.613.413.513.213.213.112.912.96.56.56.76.86.97.07.17.37.47.57.57.67.77.87.98.08.08.29.08.9

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value4941948605478754699746049452844431343311423594131734561338473316732587319403126630747302332958328759280342736726380254562596225288244762369022905222712156020802200841950818833181591760717154165661595115406150271368111847
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest309.0268.1265.7258.6259.5221.7214.6217.5173.7166.2180.5172.6168.2163.5157.5153.1150.2146.0143.6137.0133.1129.2122.4118.7122.0119.1117.8115.4113.7112.0110.3109.0107.1105.0101.499.297.696.695.092.189.589.489.376.6

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-38992-36424-35839-34262-33638-30674-28858-28531-23800-22574-21470-20220-19377-18581-17654-16817-16223-15529-14948-13714-12886-12064-11193-10346-9577-8910-8135-7567-7113-6707-6479-6117-5726-5293-4942-4519-4207-4027-3850-3343-2889-2924-2993-1624
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-243.8-200.9-198.9-188.6-189.6-150.2-139.8-143.3-97.6-90.8-112.1-103.1-98.2-93.2-87.0-82.3-79.2-75.0-72.6-65.3-61.2-56.9-51.9-48.3-45.0-42.0-39.2-36.9-35.3-33.7-33.1-32.0-30.5-28.5-26.6-24.7-23.3-22.7-22.1-19.3-16.8-17.4-19.5-10.5

Line plots across dimensions of each concept

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType


us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType


us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType


us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents