WU


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:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:InterestExpenseDebt

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:UnrecognizedTaxBenefits

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:Depreciation

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockCash
us-gaap:HedgingDesignation
us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments
us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InterestPaidNet

us-gaap:InvestmentIncomeNet

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsForSoftware

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfCommercialPaper

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:ProvisionForDoubtfulAccounts
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

us-gaap:RestructuringCharges
us-gaap:IncomeStatementLocation
us-gaap:RestructuringCostAndReserve

us-gaap:RevenueNotFromContractWithCustomerOther
us-gaap:ProductOrService

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
wu:DerivativeExcludedComponentBasedOnAmortizationApproach

wu:ForeignExchangeGainLossOnSettlementAssetsAndObligationsOtherAssetsAndOtherLiabilitiesAndCashBalances
us-gaap:StatementBusinessSegments
wu:ForeignExchangeRevenues

wu:GainLossExcludedFromEffectivenessTestingRecognizedInOtherComprehensiveIncomeBasedOnAmortizationApproach

wu:RestructuringReserveNoncashBenefitsCharges
us-gaap:RestructuringCostAndReserve

wu:StockRepurchasedAndRetiredDuringPeriodExcludingWTCAndCommissionsAverageCostPerShare

wu:StockRepurchasedAndRetiredDuringPeriodExcludingWTCandCommissionsValue

wu:StockRepurchasedandRetiredDuringPeriodExcludingWTCShares

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsReceivableGross
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:AccountsReceivableNet

us-gaap:AccruedIncomeTaxes

us-gaap:AdditionalPaidInCapitalCommonStock

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

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
us-gaap:StatementEquityComponents

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:DebtWeightedAverageInterestRate
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction

us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement

us-gaap:DerivativeAssets
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction

us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:OperatingLeaseLiability

us-gaap:OtherAssets

us-gaap:OtherLiabilities

us-gaap:RestrictedCash

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve

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

us-gaap:SettlementLiabilitiesCurrent

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

wu:Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedgain

wu:Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedgainloss

wu:Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedloss

wu:Availableforsaleandheldtomaturitysecuritiesamortizedcost

wu:Availableforsaleandheldtomaturitysecuritiesfairvalue

wu:SettlementAssetsCashAndCashEquivalents

wu:SettlementAssetsInvestmentSecurities

wu:SettlementObligationsMoneyTransferMoneyOrderAndPaymentServicePayables

wu:SettlementObligationsPayablesToAgents

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 ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▄▄▄▄▄▄▄▄▄▄▄▄▄████████████444444444444444445555555555555666666666666NANANA
us-gaap:CommonStockSharesIssued ▁▁▁▁▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▄▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▇▇▇▇▇██410418419425432441443448460459459464472481485488491502506512517521523530538548551551559572598604613619619627633654656661674686NANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▁▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▄▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▇▇▇▇▇██410418419425432441443448460459459464472481485488491502506512517521523530538548551551559572598604613619619627633654656661674686NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▁▂▂▃▄▅▆▆██410418419425432441443448460459NANANA481NANANA502NANANA521NANANA548NANANA572NANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁▁▁▁▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▇▇▇████418424426432439445449459463459465472483483490493503508513519525526531539549555555558569590604613621621627635652658661671684693701702708
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁▁▁▁▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▇▇▇████414419423430437442446457460459462469479483487490500504509515521522527537545551552555567588601610619619624631646655659669681689698700707
us-gaap:EarningsPerShareBasic ▆▆▆█▆▆▆▆▆▁▆▆▆▄▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆0.430.320.321.430.40.480.470.480.46-2.440.510.350.34-0.730.450.420.370.420.460.370.390.420.440.360.370.310.390.360.370.40.450.440.40.730.380.420.320.370.360.330.30.320.260.310.32
us-gaap:EarningsPerShareDiluted ▆▆▆█▆▆▆▆▆▁▆▆▆▄▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆0.420.320.321.420.390.480.460.470.46-2.440.510.350.33-0.730.440.420.370.420.450.360.390.420.440.360.370.310.390.360.370.40.450.440.40.730.380.410.320.370.360.330.30.320.260.310.32
  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 ▁▅▄▄▄▇▆▆▆█▇▇▅▆▇▇▅▇▇▇▅▇█▇▆█▇▇▅███▇█▇▆▅▆▆▄▃▅▅▄▃112213071238127512751401133213611346143814041378130213711377137512971380139913831320140914401405135014211408138513251424142114251393143114101366128313571329127312321314131412541201
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService wu:ConsumerMoneyTransfers986NA108210881033NA108411091083NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ConsumerBillPayments,wu:EastAsiaAndOceania300000.0NA400000.0400000.0300000.0NA400000.0500000.0400000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ConsumerBillPayments,wu:EuropeAndRussiaCis800000.0NA800000.0900000.0600000.0NA900000.0800000.0800000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ConsumerMoneyTransfers,wu:EuropeAndRussiaCis300NA338339323NA349356345NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ConsumerMoneyTransfers,wu:MiddleEastAfricaAndSouthAsia156NA164159153NA157165166NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ConsumerMoneyTransfers,wu:NorthAmericaMember384NA415424395NA407416394NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ForeignExchangeAndPaymentServices,wu:LatinAmericaAndCaribbean600000.0NA800000.01000000.01000000.0NA1000000.0800000.0200000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical wu:ForeignExchangeAndPaymentServices,wu:MiddleEastAfricaAndSouthAsia500000.0NA400000.0500000.0500000.0NA700000.0300000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical wu:EuropeAndRussiaCis333NA373373356NA386388379NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical wu:MiddleEastAfricaAndSouthAsia157NA165160153NA158165166NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical wu:NorthAmericaMember444NA478522547NA559570557NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▁▄▄▅▅▇▇▇▇█▇▆▄▆▆▆▄▆▇▆▅▇█▇▅▇▇▆▅█▇█▇█▇▆▄▆▅▃▂▄▄▃▁119013071306134013371401138714111389143814041378130213711377137512971380139913831320140914401405135014211408138513251424142114251393143114101366128313571329127312321314131412541201
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wu:ConsumerToConsumer1015NANANA1056NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService wu:ConsumerMoneyTransfers1015NA111311121056NA110711271091NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold 683NA768776785NA812829825NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▂▃▃▃▃▃▃▃▃█▃▄▃█▃▃▃▃▃▃▃▃▃▃▃▄▃▃▂▃▃▃▃▃▃▂▂▂▂▂▁▂▂▁▁9561081110910811085113010851127112416901133116410621685109911151039109810941132104811331126112710781183111311091028113810561079106010721047101597010349789629169951032912860
us-gaap:SellingGeneralAndAdministrativeExpense 273NA340305300NA272298299355292321262839276293259287277333276301286299281NA295297269NA259281277280247251224251225234202232290212191
us-gaap:OperatingIncomeLoss ▇▇▆▇▇▇▇▇▇▂▇▆▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇██████▇██▇▇█▇██233226197258251271302283264-252271214239-313278260258281304250272276314278272238295276296286365345332358363350312322351311315318281341340
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems us-gaap:OperatingSegments243NA288266251NA302283264257289298253270298277258NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wu:ConsumerToConsumer209NANANA233NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpenseDebt 32NA363839NA38373537373531294141404042434142434347NA484848NA444544474644434544413838393940
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▄▄█▅▅▅▅▅▁▅▄▅▁▅▅▅▅▅▅▅▅▅▅▅▄▅▅▅201197162745216235266255234-289239184213-338240222217236265206232235272232227192251232250NANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁-31-29-35486-35-36-36-28-30-36-32-30-26-24-38-37-41-44-39-43-39-40-41-46-44-45-43-44-46-41-41-35-42-5-49-17-38-33-42-38-39-34-35-46-35
us-gaap:IncomeTaxExpenseBenefit ▂▂▂▃▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂256227130432257372083131751162316312433172814383824193733386543842-997470644570516860657581
us-gaap:IncomeTaxesPaidNet 23NANANA10NA1551351310-55201321NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss 176NA135614173NA208217213-1120235166161-355216205185212232189203221234193203173214198212237269271247452239263210242238221207223181220223
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings176NA135614173NA208217213NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest 205NA157620192NA210245196-1120216130150-340205219150194229143244213285201202NA187194230NA252296233NA301260189NA161NANANANANANA
us-gaap:NetIncomeLoss ▆▆▆█▆▆▆▆▆▁▆▆▆176135135614173212208217213-1120235166161NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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us-gaap:Assets ▄▅▅▅▆▅▅▅▆▆▇▆▆▆▆▆▆▆▇▇█▇▇▇▇█▇▆▆▆▆▅▆▅▅▃▃▃▂▂▁▂836587588803904394328996898991159188923198739408948694199518939494189458981510063103539890984698749922101219940958993619465935591669197906988198009788779297570734770417353NANANA
us-gaap:Liabilities ▅▆▆▆█▇▇▇▇█▇▆▆▅▄▄▄▄▅▆▆▅▅▆▆▆▆▅▅▅▄▄▄▄▅▃▃▃▂▂▁▂851587988823901398069306940495669563972291648747873585178131808081798054846887569003859086668804885490168890866084448525820881138230817583177630760773467132694866606999NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▄▅▅▅▆▅▅▅▆▆▇▆▆▆▆▆▆▆▇▇█▇▇▇▇█▇▆▆▆▆▅▆▅▅▃▃▃▂▂▁▂836587588803904394328996898991159188923198739408948694199518939494189458981510063103539890984698749922101219940958993619465935591669197906988198009788779297570734770417353NANANA
  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:CashAndCashEquivalentsAtCarryingValue ▂▄▃▃▁▂▁▂▂▁▂▂▃▁▃▂▂▃▃▄▅▅▄▄▄▆▅▃▃▅▃▃▃▃█▆▆▆▆▅▄▄▄▅▄10721450139012108339737679389348381034105913238771280116211601315141416301755178316671604169420731742139514171776143314031395137026712089221521571996174615291685162517821510
  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:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▇▆▇█▇██▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▃▃▃▂▂▂▂▁▁▁639616648698668702685669653635654632617600587568553538525509495478466460438428420407402384372391445429416412398383369354347335NANANA
us-gaap:PropertyPlantAndEquipmentNet ▁▂▄▅▅██▆▄▄▄▄▄▄▅▄▅▅▅▃▃▃▃▄▄▄▄▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃173186212224229270266241215214211215209220224221226231224201202206205208214209208203198196196196196198193196194196195196196204NANANA
us-gaap:Goodwill ▄▄▄▄▄▅▅▅▅▅████████████████████████▂▂▁▁▁▁▁▁256625662566256625682725272527252726272731613161316231623162316231623163316831683168316931693170317031723174317631783179318531743166319823252329215921512145215621572143NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▂▂▂▃▃▄▄▃▃▃▄▄▄▅▅▅▅▅▆▆▆▆▆▇▇▇████▇▇█▇▂▂▁▁▂▂▂▂485494514535562598604546569586601615649664693701697705738768772748768799833833869897863878848861878847488483421438462471474489NANANA
  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
  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
  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 ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▄▄▄▄▄▄▄▄▄▄▄▄▄████████████444444444444444445555555555555666666666666NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▂▁▁▁▁▂▁▅▅▅▆██▇██████▇▇█▇▇▇▇██▇▇▆▆▅▇▆▆▆▆-828-675-659-569-938-838-916-939-819-965247193259419930877827977912884931968856810827877832707702754940842794760357307230591465364400433NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▃▄▃▃▂▂▂▁▂▂▃▄▄▄▄▄▅▆▆▇▆▆▄▄▄▄▅▅▅▆▆▅▆▇▅▅▅▆█▇▆-180-209-183-205-211-231-246-248-276-227-228-209-173-162-176-165-179-143-126-123-78-118-110-162-170-169-165-138-133-152-124-107-132-118-94-156-153-132-121-45-86-127NANANA
  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 112NANANA239NA219166132312447-11086220336272212266338253211270325253196NANANA237NANANA21529237625425128438325174260351249356
us-gaap:NetCashProvidedByUsedInInvestingActivities 8NANANA-16NA-161-35-3281-194-40-50-37-76-93-6331-95-178-44-49-33-5144NANANA-37NANANA-75-1099-50-189-218-46-2825-3902139
us-gaap:NetCashProvidedByUsedInFinancingActivities -489NANANA-322NA-232-1339-590-276-113410-586-141-176-305-396-459-200-195-105-229-291-620NANANA-558NANANA-114-493255-191-171-132-87-5-232-205-1181-181
  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 112NANANA239NA219166132312447-11086220336272212266338253211270325253196NANANA237NANANA21529237625425128438325174260351249356
us-gaap:NetIncomeLoss ▆▆▆█▆▆▆▆▆▁▆▆▆176135135614173212208217213-1120235166161NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss 176NA135614173NA208217213-1120235166161-355216205185212232189203221234193203173214198212237269271247452239263210242238221207223181220223
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings176NA135614173NA208217213NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 8NANANA-16NA-161-35-3281-194-40-50-37-76-93-6331-95-178-44-49-33-5144NANANA-37NANANA-75-1099-50-189-218-46-2825-3902139
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment 6NANANA16NA4238202016247172412142838121416161618NANANA17NANANA1413121412161613719121710
  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 -489NANANA-322NA-232-1339-590-276-113410-586-141-176-305-396-459-200-195-105-229-291-620NANANA-558NANANA-114-493255-191-171-132-87-5-232-205-1181-181
us-gaap:PaymentsForRepurchaseOfCommonStock 237NANANA171NA108241111310216721981851002336912816614745132132185NANANA190NANANA146014516049870942172001751250100
  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:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument wu:NotesPayable2023▄▄▄▄▄▄▄▄0.04250.04250.04250.04250.04250.04250.04250.0425NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value4444444444444444455555555555556666666666667
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.10.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Common Stock Par Or Stated Value Per Share

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value410418419425432441443448460459459464472481485488491502506512517521523530538548551551559572598604613619619627633654656661674686709
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value410418419425432441443448460459459464472481485488491502506512517521523530538548551551559572598604613619619627633654656661674686709
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value410418419425432441443448460459481502521548572
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



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
Value418424426432439445449459463459465472483483490493503508513519525526531539549555555558569590604613621621627635652658661671684693701702708
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value414419423430437442446457460459462469479483487490500504509515521522527537545551552555567588601610619619624631646655659669681689698700707
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value0.430.320.321.430.40.480.470.480.46-2.440.510.350.34-0.730.450.420.370.420.460.370.390.420.440.360.370.310.390.360.370.40.450.440.40.730.380.420.320.370.360.330.30.320.260.310.32
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
Value0.420.320.321.420.390.480.460.470.46-2.440.510.350.33-0.730.440.420.370.420.450.360.390.420.440.360.370.310.390.360.370.40.450.440.40.730.380.410.320.370.360.330.30.320.260.310.32
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
Value112213071238127512751401133213611346143814041378130213711377137512971380139913831320140914401405135014211408138513251424142114251393143114101366128313571329127312321314131412541201
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

wu:ConsumerBillPayments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value475894149149159169
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.87.411.711.211.712.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.87.411.711.211.712.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerBillPayments100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerMoneyTransfers



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value986108210881033108411091083
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.887.485.381.181.481.580.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.887.485.381.181.481.580.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers100.0100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeAndPaymentServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value71777273807374
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.35.75.76.05.45.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.35.75.76.05.45.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices100.0100.0100.0100.0100.0100.0100.0

wu:OtherServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value17181918181918
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.51.51.51.41.41.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.51.51.51.41.41.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:OtherServices100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementGeographical

wu:ConsumerBillPayments, wu:EastAsiaAndOceania



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value300000.0400000.0400000.0300000.0400000.0500000.0400000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerBillPayments wu:EastAsiaAndOceania100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerBillPayments, wu:EuropeAndRussiaCis



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value800000.0800000.0900000.0600000.0900000.0800000.0800000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.00.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.00.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerBillPayments wu:EuropeAndRussiaCis100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerBillPayments, wu:LatinAmericaAndCaribbean



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value23343233344245
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.82.52.62.63.13.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.82.52.62.63.13.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerBillPayments wu:LatinAmericaAndCaribbean100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerBillPayments, wu:NorthAmericaMember



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value222361115112115123
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.94.89.08.58.59.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.94.89.08.58.59.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerBillPayments wu:NorthAmericaMember100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerMoneyTransfers, wu:EastAsiaAndOceania



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value59646566747678
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.25.15.25.65.65.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.25.15.25.65.65.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers wu:EastAsiaAndOceania100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerMoneyTransfers, wu:EuropeAndRussiaCis



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value300338339323349356345
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.827.426.725.326.226.225.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.827.426.725.326.226.225.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers wu:EuropeAndRussiaCis100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerMoneyTransfers, wu:LatinAmericaAndCaribbean



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value84999895959597
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.58.07.77.57.27.07.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.58.07.77.57.27.07.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers wu:LatinAmericaAndCaribbean100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerMoneyTransfers, wu:MiddleEastAfricaAndSouthAsia



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value156164159153157165166
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.013.312.512.011.812.112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.013.312.512.011.812.112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers wu:MiddleEastAfricaAndSouthAsia100.0100.0100.0100.0100.0100.0100.0

wu:ConsumerMoneyTransfers, wu:NorthAmericaMember



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value384415424395407416394
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.333.533.331.030.630.629.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.333.533.331.030.630.629.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers wu:NorthAmericaMember100.0100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeAndPaymentServices, wu:EastAsiaAndOceania



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value16171617171717
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.41.31.41.31.31.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.41.31.41.31.31.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices wu:EastAsiaAndOceania100.0100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeAndPaymentServices, wu:EuropeAndRussiaCis



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value31323131353032
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.62.52.52.62.22.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.62.52.52.62.22.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices wu:EuropeAndRussiaCis100.0100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeAndPaymentServices, wu:LatinAmericaAndCaribbean



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value600000.0800000.01000000.01000000.01000000.0800000.0200000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices wu:LatinAmericaAndCaribbean100.0100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeAndPaymentServices, wu:MiddleEastAfricaAndSouthAsia



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value500000.0400000.0500000.0500000.0700000.0300000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices wu:MiddleEastAfricaAndSouthAsia100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeAndPaymentServices, wu:NorthAmericaMember



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value22262322252324
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.21.81.71.91.71.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.21.81.71.91.71.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices wu:NorthAmericaMember100.0100.0100.0100.0100.0100.0100.0

wu:OtherServices, wu:EuropeAndRussiaCis



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0110111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:OtherServices wu:EuropeAndRussiaCis100.0100.0100.0100.0100.0100.0100.0

wu:OtherServices, wu:LatinAmericaAndCaribbean



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2343333
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.30.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.30.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:OtherServices wu:LatinAmericaAndCaribbean100.0100.0100.0100.0100.0100.0100.0

wu:OtherServices, wu:NorthAmericaMember



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value14131414141414
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.11.11.11.11.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.11.11.11.11.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:OtherServices wu:NorthAmericaMember100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

wu:EastAsiaAndOceania



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value76828284929496
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.86.76.46.67.07.07.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.86.76.46.67.07.07.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:EastAsiaAndOceania100.0100.0100.0100.0100.0100.0100.0

wu:EuropeAndRussiaCis



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value333373373356386388379
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.730.229.328.029.028.528.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.730.229.328.029.028.528.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:EuropeAndRussiaCis100.0100.0100.0100.0100.0100.0100.0

wu:LatinAmericaAndCaribbean



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value110138136133134142146
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.911.210.710.510.110.410.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.911.210.710.510.110.410.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:LatinAmericaAndCaribbean100.0100.0100.0100.0100.0100.0100.0

wu:MiddleEastAfricaAndSouthAsia



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value157165160153158165166
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.013.312.612.111.912.212.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.013.312.612.111.912.212.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:MiddleEastAfricaAndSouthAsia100.0100.0100.0100.0100.0100.0100.0

wu:NorthAmericaMember



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value444478522547559570557
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.638.741.042.942.041.941.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.638.741.042.942.041.941.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:NorthAmericaMember100.0100.0100.0100.0100.0100.0100.0

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
Value119013071306134013371401138714111389143814041378130213711377137512971380139913831320140914401405135014211408138513251424142114251393143114101366128313571329127312321314131412541201
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 RevenueFromContractWithCustomerExcludingAssessedTax106.0100.0105.6105.1104.8100.0104.2103.7103.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7693132184180190201
Percentage of Revenues6.47.19.813.813.013.514.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.87.510.414.513.514.015.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, wu:BusinessSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value981009595100939694999693989710099101101979810110598
Percentage of Revenues8.37.77.17.27.26.67.06.67.17.07.27.27.17.37.67.47.27.17.47.27.37.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.88.17.57.57.56.87.26.67.17.07.27.27.17.37.67.47.27.17.47.27.37.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wu:BusinessSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, wu:ConsumerToConsumer



Period End2020-03-312019-03-31
Value10151056
Percentage of Revenues85.379.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.582.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wu:ConsumerToConsumer0.00.0

us-gaap:ProductOrService

wu:ConsumerBillPayments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5368106159156165177
Percentage of Revenues4.55.27.911.911.311.712.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.75.58.312.511.712.213.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerBillPayments111.1115.6111.9106.3105.0104.1104.8

wu:ConsumerMoneyTransfers



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1015111311121056110711271091
Percentage of Revenues85.385.283.079.179.879.978.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.589.987.382.983.182.881.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ConsumerMoneyTransfers103.0102.8102.3102.2102.1101.6100.7

wu:ForeignExchangeAndPaymentServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9810095951009396
Percentage of Revenues8.37.77.17.27.26.67.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.88.17.57.57.56.87.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:ForeignExchangeAndPaymentServices137.4129.1131.3131.0125.2127.5129.5

wu:OtherServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value23252525232424
Percentage of Revenues1.91.91.91.91.71.81.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.02.02.01.81.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wu:OtherServices134.9134.0134.9133.9129.3129.2128.7

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value683768776785812829825
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.962.160.961.561.060.961.3

Cost Of Services

Costs And Expenses

us-gaap:CostsAndExpenses



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
Value9561081110910811085113010851127112416901133116410621685109911151039109810941132104811331126112710781183111311091028113810561079106010721047101597010349789629169951032912860
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.282.789.684.885.180.781.582.883.5117.680.784.481.6122.979.881.180.179.678.281.979.480.478.280.279.983.279.080.077.679.974.375.776.175.074.374.375.676.373.675.674.475.878.672.871.6

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value273340305300272298299355292321262839276293259287277333276301286299281295297269259281277280247251224251225234202232290212191
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.427.523.923.620.521.922.224.720.823.320.161.220.121.320.020.819.824.121.021.419.921.320.821.021.520.318.319.819.919.617.618.417.518.517.018.416.417.722.116.915.9

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
Value233226197258251271302283264-252271214239-313278260258281304250272276314278272238295276296286365345332358363350312322351311315318281341340
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 RevenueFromContractWithCustomerExcludingAssessedTax20.817.315.920.319.719.322.720.819.7-17.619.315.618.4-22.920.218.919.920.421.818.120.619.621.819.820.116.821.020.022.420.125.724.323.925.025.725.724.423.726.424.425.624.221.427.228.4

us-gaap:ConsolidationItems

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value243288266251302283264257289298253270298277258
Percentage of OperatingIncomeLoss104.5146.4102.9100.0100.0100.0100.0-102.1106.6139.1106.0-86.3107.2106.6100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.723.320.919.722.720.819.717.920.621.719.519.721.720.219.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value19859101620
Percentage of OperatingIncomeLoss8.54.32.23.73.55.77.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.80.70.40.70.81.21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments0.00.00.00.00.00.00.0

us-gaap:OperatingSegments, wu:BusinessSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value13161081412-3952103523-202-50-3
Percentage of OperatingIncomeLoss6.08.54.13.44.70.41.11.23.32.51.0-3.31.22.00.91.3-0.9-0.20.8-1.8-0.1-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.30.80.71.10.10.2-0.20.60.40.20.70.20.40.20.3-0.2-0.00.2-0.4-0.0-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wu:BusinessSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, wu:ConsumerToConsumer



Period End2020-03-312019-03-31
Value209233
Percentage of OperatingIncomeLoss90.092.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.718.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wu:ConsumerToConsumer0.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value3236383938373537373531294141404042434142434347484848444544474644434544413838393940
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.93.03.12.92.82.62.62.62.62.42.23.03.03.13.03.03.13.23.03.03.13.53.53.53.73.13.23.23.33.33.23.43.33.43.23.13.03.03.23.3

Other Nonoperating Income Expense

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

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value201197162745216235266255234-289239184213-338240222217236265206232235272232227192251232250
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.015.113.158.516.916.820.018.817.4-20.117.013.416.4-24.717.416.216.817.219.015.017.616.718.916.516.813.617.916.818.9

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



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
Value-31-29-35486-35-36-36-28-30-36-32-30-26-24-38-37-41-44-39-43-39-40-41-46-44-45-43-44-46-41-41-35-42-5-49-17-38-33-42-38-39-34-35-46-35
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.8-2.2-2.838.2-2.8-2.6-2.7-2.1-2.3-2.6-2.3-2.2-2.0-1.8-2.8-2.7-3.2-3.3-2.8-3.2-3.0-2.9-2.9-3.3-3.3-3.2-3.1-3.2-3.5-2.9-2.9-2.5-3.0-0.4-3.5-1.3-3.0-2.5-3.2-3.0-3.2-2.6-2.7-3.7-3.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



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
Value256227130432257372083131751162316312433172814383824193733386543842-997470644570516860657581
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.24.72.210.33.41.64.32.81.657.80.31.33.91.21.71.22.51.82.41.32.21.02.72.71.81.42.62.42.90.53.82.73.1-7.05.35.15.03.45.34.05.54.65.06.06.8

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value23101551351310-55201321
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.10.811.69.91.00.7-3.91.51.01.6

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value176135614173208217213-1120235166161-355216205185212232189203221234193203173214198212237269271247452239263210242238221207223181220223
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.710.948.213.615.716.015.9-77.916.812.112.4-25.915.714.914.315.416.613.715.415.716.213.815.012.215.214.316.016.719.019.017.731.617.019.316.417.917.917.416.917.013.817.618.6

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value176135614173208217213
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.710.948.213.615.716.015.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value205157620192210245196-1120216130150-340205219150194229143244213285201202187194230252296233301260189161
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.312.748.715.115.818.014.6-77.915.49.511.6-24.914.916.011.614.116.410.418.515.119.814.315.013.314.017.417.720.816.721.419.014.812.2

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value176135135614173212208217213-1120235166161
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.710.410.948.213.615.115.716.015.9-77.916.812.112.4

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value8365875888039043943289968989911591889231987394089486941995189394941894589815100631035398909846987499221012199409589936194659355916691979069881980097887792975707347704173535578
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value8515879888239013980693069404956695639722916487478735851781318080817980548468875690038590866688048854901688908660844485258208811382308175831776307607734671326948666069995586
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets101.8100.5100.299.7104.0103.4104.6105.0104.1105.392.893.092.190.485.486.086.885.186.387.087.086.988.089.289.289.189.490.390.290.187.788.589.590.194.395.396.492.794.294.694.695.2100.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value8365875888039043943289968989911591889231987394089486941995189394941894589815100631035398909846987499221012199409589936194659355916691979069881980097887792975707347704173535578
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-312007-12-312006-12-31
Value10721450139012108339737679389348381034105913238771280116211601315141416301755178316671604169420731742139514171776143314031395137026712089221521571996174615291685162517821510129517931421
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.816.615.813.48.810.88.510.310.29.110.511.314.09.313.512.412.313.914.416.217.018.016.916.317.120.517.514.615.118.815.315.315.215.130.326.128.127.226.423.821.722.90.00.00.023.20.00.0

us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

wu:SettlementAssets, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24243091423
Percentage of CashAndCashEquivalentsAtCarryingValue2.31.72.20.81.82.5
Percentage of Assets0.30.30.30.10.20.3
Percentage of Assets wu:SettlementAssets us-gaap:MoneyMarketFunds0.00.00.00.00.00.0

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value639616648698668702685669653635654632617600587568553538525509495478466460438428420407402384372391445429416412398383369354347335284
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.67.07.47.77.17.87.67.37.16.96.66.76.56.46.26.15.95.75.45.14.84.84.74.74.44.24.24.24.34.14.04.34.84.74.75.25.04.84.94.84.94.65.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value173186212224229270266241215214211215209220224221226231224201202206205208214209208203198196196196196198193196194196195196196204192
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.42.52.43.03.02.72.32.32.12.32.22.32.42.42.42.52.32.02.02.12.12.12.22.12.12.12.12.12.12.12.12.22.22.52.52.52.62.72.82.83.4

Investments In Affiliates Subsidiaries Associates And Joint Ventures

Goodwill

us-gaap:Goodwill



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
Value2566256625662566256827252725272527262727316131613162316231623162316231633168316831683169316931703170317231743176317831793185317431663198232523292159215121452156215721431674
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.729.329.228.427.230.330.329.929.729.632.033.633.333.633.233.733.633.432.331.530.632.032.232.132.031.331.933.134.033.634.134.634.435.326.429.127.427.128.329.330.629.130.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



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
Value485494514535562598604546569586601615649664693701697705738768772748768799833833869897863878848861878847488483421438462471474489350
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.85.75.85.96.06.66.76.06.26.46.16.56.87.17.37.57.47.57.57.67.57.67.88.18.48.28.79.49.29.39.19.49.59.35.56.05.35.56.16.46.76.76.3

Deferred Tax Assets Liabilities Net

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value4444444444444444455555555555556666666666667
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.10.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-828-675-659-569-938-838-916-939-819-96524719325941993087782797791288493196885681082787783270770275494084279476035730723059146536440043329
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-9.9-7.7-7.5-6.3-9.9-9.3-10.2-10.3-8.9-10.52.52.12.74.59.89.38.810.39.38.89.09.88.78.28.38.78.47.47.58.010.19.28.68.44.13.82.97.56.15.05.75.90.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-180-209-183-205-211-231-246-248-276-227-228-209-173-162-176-165-179-143-126-123-78-118-110-162-170-169-165-138-133-152-124-107-132-118-94-156-153-132-121-45-86-127-30-68
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.2-2.4-2.1-2.3-2.2-2.6-2.7-2.7-3.0-2.5-2.3-2.2-1.8-1.7-1.9-1.8-1.9-1.5-1.3-1.2-0.8-1.2-1.1-1.6-1.7-1.7-1.7-1.4-1.4-1.6-1.3-1.2-1.4-1.3-1.1-2.0-1.9-1.7-1.6-0.6-1.2-1.7-0.50.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value112239219166132312447-1108622033627221226633825321127032525319623721529237625425128438325174260351249356
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.018.816.512.29.921.731.8-8.06.616.024.419.816.419.324.218.416.019.222.618.014.617.915.420.426.718.619.621.028.919.86.019.826.819.929.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value8-16-161-35-3281-194-40-50-37-76-93-6331-95-178-44-49-33-5144-37-75-1099-50-189-218-46-2825-3902139
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-1.3-12.1-2.6-2.45.7-13.9-3.0-3.9-2.7-5.6-6.8-4.92.3-6.8-12.9-3.4-3.5-2.3-3.63.3-2.9-5.4-76.8-3.6-13.8-1.70.6-3.5-2.30.20.4-29.71.73.3

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-489-322-232-1339-590-276-113410-586-141-176-305-396-459-200-195-105-229-291-620-558-114-493255-191-171-132-87-5-232-205-1181-181
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-43.6-25.3-17.4-9.80.7-41.1-19.7-8.231.5-42.7-10.3-12.8-23.5-28.8-32.8-14.5-14.8-7.5-15.9-20.7-45.9-42.2-8.2-34.518.1-14.0-13.4-9.8-6.6-0.5-18.8-15.7-9.00.1-15.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value112239219166132312447-1108622033627221226633825321127032525319623721529237625425128438325174260351249356
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.018.816.512.29.921.731.8-8.06.616.024.419.816.419.324.218.416.019.222.618.014.617.915.420.426.718.619.621.028.919.86.019.826.819.929.7

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value176135135614173212208217213-1120235166161
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.710.410.948.213.615.115.716.015.9-77.916.812.112.4

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value176135614173208217213-1120235166161-355216205185212232189203221234193203173214198212237269271247452239263210242238221207223181220223
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.710.948.213.615.716.015.9-77.916.812.112.4-25.915.714.914.315.416.613.715.415.716.213.815.012.215.214.316.016.719.019.017.731.617.019.316.417.917.917.416.917.013.817.618.6

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value176135614173208217213
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.710.948.213.615.716.015.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value8-16-161-35-3281-194-40-50-37-76-93-6331-95-178-44-49-33-5144-37-75-1099-50-189-218-46-2825-3902139
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-1.3-12.1-2.6-2.45.7-13.9-3.0-3.9-2.7-5.6-6.8-4.92.3-6.8-12.9-3.4-3.5-2.3-3.63.3-2.9-5.4-76.8-3.6-13.8-1.70.6-3.5-2.30.20.4-29.71.73.3

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value6164238202016247172412142838121416161618171413121412161613719121710
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-489-322-232-1339-590-276-113410-586-141-176-305-396-459-200-195-105-229-291-620-558-114-493255-191-171-132-87-5-232-205-1181-181
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-43.6-25.3-17.4-9.80.7-41.1-19.7-8.231.5-42.7-10.3-12.8-23.5-28.8-32.8-14.5-14.8-7.5-15.9-20.7-45.9-42.2-8.2-34.518.1-14.0-13.4-9.8-6.6-0.5-18.8-15.7-9.00.1-15.1

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value237171108241111310216721981851002336912816614745132132185190146014516049870942172001751250100
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

wu:NotesPayable2023



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-06-112017-12-31
Value0.04250.04250.04250.04250.04250.04250.04250.04250.04250.0
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations wu:NotesPayable20230.00.00.00.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value0.1250.1680.1750.1990.2170.1480.0892.48900000000000030.0150.0970.2410.153000000000000020.0960.0760.146-0.00300000000000000270.1250.0850.123-0.0180000000000000160.1420.1650.1070.1480.1450.1530.1680.1250.148-0.141000000000000010.2360.2110.235-0.0160000000000000140.2270.1880.247-0.012000000000000010.2660.255
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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

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

Share Based Compensation

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value290293296298295295323323323329333354353352921071081051081049993106117114117111108104103106103120123716680618477
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-31
Value190199
Percentage of OperatingLeaseRightOfUseAsset100.0100.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value10881456139812178809797769509538441034105913238771315
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1291113111113
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1291113111113
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value129111311111371210131099129101011108
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

wu:ReceivablesFromBusinessSolutionsCustomers



Period End2020-03-31
Value1000000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0

wu:ReceivablesFromSellingAgents



Period End2020-03-31
Value1
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs170.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value4145454647464546474647474850574647525051504748
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value102421233223571814161815262522242026873636353038
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-368-99-173-3109-24-264445
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-02-282011-03-312010-12-312010-09-302010-06-302010-06-302010-03-31
Value0.2250.20.20.20.20.190.190.190.190.1750.1750.1750.1750.160.160.160.160.1550.1550.1550.1550.1250.1250.1250.1250.1250.1250.1250.1250.1250.10.10.10.080.080.080.070.070.070.060.060.060.06
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-02-112019-09-302019-02-072018-09-302018-02-132017-09-302017-03-312016-09-302015-07-16
Value0.2250.20.20.190.190.1750.1750.160.155
Percentage of CommonStockDividendsPerShareDeclared0.0100.00.0100.00.0100.0100.0100.00.0

us-gaap:Depreciation



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1619181919191919181918181718171616171616161515151415151515151414141313
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock



Period End2020-03-312019-03-31
Value9387
Percentage of DividendsCommonStock100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-03-31
Value9387
Percentage of DividendsCommonStock100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-282018-09-302018-06-292018-06-302018-03-302018-03-312017-12-312017-09-292017-09-302017-06-302017-06-302017-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value928485878484858587878080808181838377777879787879806565666769697059606149495044-284393940-410
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HedgingDesignation

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

us-gaap:Nondesignated



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value292116937-26-4-12-102903-18415-122920300-1-2-165
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:Nondesignated, us-gaap:SellingGeneralAndAdministrativeExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value29201683505-4-12-102703-17415-11
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.096.2100.097.195.794.13.895.193.096.899.094.866.788.693.6111.995.093.3

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-109-4430-17-12312068-414-19257349-48-51-266411-341753-35-65-36-35-3338-28-20-19660-35-12112-15-8
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-231-88-9511792611-516520-8141322-920-332-18107-40-16257141-560-11-202763-168
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value23712-4473395202951-4636-1060056150412101028-4-8112114-11046-5231-3120
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-8-6-602-400470-61147-1-2-2-6-2-5-712-1-7-110-28-17-5-4-14-201-6-6-3-6
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-03-312018-03-31
Value182423
Percentage of InterestPaidNet100.0100.0100.0

us-gaap:InvestmentIncomeNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value1112110111101002322212440011
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value13131415
Percentage of OperatingLeaseExpense100.0100.0100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-03-31
Value1212
Percentage of OperatingLeasePayments100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value55913-40-8-3054-16-23313-610-13200-20
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2720-34331-12
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value771316-61-11
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax26.434.6-333.3381.8-187.93.595.1

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3428921-232-24
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax126.4134.6-233.3481.8-87.9103.5195.1

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2014-53337-3
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2720-34331-12
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value2822519128-160-18-35-1114-1114-35-17-2-4540-8517-1-27-418-1725-1461-3
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:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2822519128-16
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value-2-2-1-2-2-2-2-3-2-1-10-1-1-14-1-1-113-1-1-1-1-2-2-1-1-1-1-1
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value300000.0300000.0-100000.0-900000.0-200000.0500000.0500000.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1123-10-2
Percentage of OtherComprehensiveIncomeLossTax366.7466.7-2700.0-422.2750.040.0-520.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1122-10-2
Percentage of OtherComprehensiveIncomeLossTax466.7566.7-2600.0-322.2850.0140.0-420.0

us-gaap:OtherNoncashIncomeExpense



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-03-312010-12-312010-09-30
Value-20-28-249-86-26-28-76-36-19-5-36-30-7-8-16-4224-375-9-11-117-125
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring



Period End2020-03-31
Value24
Percentage of PaymentsForRestructuring100.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-31
Value19
Percentage of PaymentsForRestructuring79.6

us-gaap:FacilityClosing



Period End2020-03-31
Value5
Percentage of PaymentsForRestructuring20.4

us-gaap:PaymentsForSoftware



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value7624665410111418813189812811610854412213533242
Percentage of PaymentsForSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-10-312012-09-302012-06-302012-03-312011-12-312011-10-312011-09-302011-06-302011-03-312010-12-312010-10-312010-09-302010-06-302010-06-302010-03-312009-12-312009-09-30
Value92878485878080818377777879787879806565666769697072595960619949495044453939393940410
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsToAcquireIntangibleAssets



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value211590810282513621253920123557172442716115520313777149391223
Percentage of PaymentsToAcquireIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value00-10-5000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.00.0100.00.00.00.0

us-gaap:ProceedsFromRepaymentsOfCommercialPaper



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-312015-06-302015-03-312014-06-302014-03-312013-03-312012-03-312011-03-31
Value-160-65369-110110-4451353100000-951300530
Percentage of ProceedsFromRepaymentsOfCommercialPaper100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.0100.00.0

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0190210160222103011011100000
Percentage of ProceedsFromSaleAndMaturityOfOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.00.0

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value110533115322270-2453253231415219722373810614
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:ProvisionForDoubtfulAccounts

wu:ReceivablesFromBusinessSolutionsCustomers



Period End2020-03-31
Value200000.0
Percentage of ProvisionForDoubtfulAccounts100.0

wu:ReceivablesFromSellingAgents



Period End2020-03-31
Value8
Percentage of ProvisionForDoubtfulAccounts4050.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:InterestExpense



Period End2020-03-31
Value-200000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, wu:Revenue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value66210-5-9
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-3300.00.00.00.00.00.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementEquityComponents

us-gaap:ForeignExchangeContract, wu:Revenue, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-03-31
Value61
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-3300.00.0

us-gaap:InterestRateSwap, us-gaap:InterestExpense, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-31
Value-200000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0

us-gaap:IncomeStatementLocation, us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-03-31
Value-3-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax1500.00.0

wu:Revenue, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-31
Value600000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-300.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-03-312019-03-31
Value4-1
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2-2-1-2-2-2-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-52.30.00.0227.30.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value66210-6-9
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax143.20.00.0-127.30.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-06-302018-06-302018-03-31
Value400000.0400000.0100000.0-400000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax9.10.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value430-1-2-8-12
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.00.00.0100.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-03-31
Value700000.0200000.0
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-31
Value-100000.0
Percentage of ReclassificationFromAociCurrentPeriodTax-14.3

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-31
Value-200000.0
Percentage of ReclassificationFromAociCurrentPeriodTax-28.6

us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

us-gaap:EquityMethodInvestee



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value121414131414131616171617171715161517151818171517161615
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges



Period End2020-03-312019-12-312019-09-302019-06-302017-12-312017-09-302017-06-302017-03-31
Value10169173593514
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

us-gaap:CostOfSales



Period End2020-03-312019-09-30
Value033
Percentage of RestructuringCharges8.637.0

us-gaap:SellingGeneralAndAdministrativeExpenses



Period End2020-03-312019-09-30
Value957
Percentage of RestructuringCharges91.463.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-31
Value3
Percentage of RestructuringCharges30.5

us-gaap:FacilityClosing



Period End2020-03-31
Value7
Percentage of RestructuringCharges69.5

us-gaap:RevenueNotFromContractWithCustomerOther



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value676865615549
Percentage of RevenueNotFromContractWithCustomerOther100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

wu:ConsumerBillPayments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5911976
Percentage of RevenueNotFromContractWithCustomerOther7.913.417.315.413.313.1

wu:ConsumerMoneyTransfers



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value293024232217
Percentage of RevenueNotFromContractWithCustomerOther43.544.437.737.540.635.3

wu:ForeignExchangeAndPaymentServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value262222222020
Percentage of RevenueNotFromContractWithCustomerOther39.832.934.836.736.340.4

wu:OtherServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value666655
Percentage of RevenueNotFromContractWithCustomerOther8.99.310.210.49.711.2

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability



Period End2020-03-312019-03-31
Value2269
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2011002
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value17181053
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value17181053
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value968105120
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value23514016118510125011
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value23514016118410125011
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.099.9100.099.999.9100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense



Period End2020-03-312019-09-302019-03-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value-111114-40-503011010011010-1-102032102032
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value432222322332334432332222224522232
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

wu:DerivativeExcludedComponentBasedOnAmortizationApproach

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, wu:Revenue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3322100
Percentage of DerivativeExcludedComponentBasedOnAmortizationApproach100.0100.0100.0100.0100.0100.0100.0

wu:ForeignExchangeGainLossOnSettlementAssetsAndObligationsOtherAssetsAndOtherLiabilitiesAndCashBalances



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-51-23-4-10-8-332
Percentage of ForeignExchangeGainLossOnSettlementAssetsAndObligationsOtherAssetsAndOtherLiabilitiesAndCashBalances100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

wu:ForeignExchangeRevenues

wu:BusinessSolutions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value8788848488828583888583888589898790948790928884858280323026
Percentage of ForeignExchangeRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:GainLossExcludedFromEffectivenessTestingRecognizedInOtherComprehensiveIncomeBasedOnAmortizationApproach



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3010000
Percentage of GainLossExcludedFromEffectivenessTestingRecognizedInOtherComprehensiveIncomeBasedOnAmortizationApproach100.0100.0100.0100.0100.00.0100.0

wu:RestructuringReserveNoncashBenefitsCharges



Period End2020-03-31
Value100000.0
Percentage of RestructuringReserveNoncashBenefitsCharges100.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-31
Value-100000.0
Percentage of RestructuringReserveNoncashBenefitsCharges-100.0

us-gaap:FacilityClosing



Period End2020-03-31
Value200000.0
Percentage of RestructuringReserveNoncashBenefitsCharges200.0

wu:StockRepurchasedAndRetiredDuringPeriodExcludingWTCAndCommissionsAverageCostPerShare



Period End2020-03-312019-03-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value25.4518.06-0.26999999999999960.010000000000001563-0.15000000000000213-0.2999999999999971619.990.190000000000001280.410000000000000140.1499999999999985818.66-0.16000000000000014-0.349999999999997870.969999999999998919.50.009999999999998010.23000000000000043-0.0500000000000007116.44
Percentage of StockRepurchasedAndRetiredDuringPeriodExcludingWTCAndCommissionsAverageCostPerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:StockRepurchasedAndRetiredDuringPeriodExcludingWTCandCommissionsValue



Period End2020-03-312019-03-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value217175100121001502247984772406812415615043121143179
Percentage of StockRepurchasedAndRetiredDuringPeriodExcludingWTCandCommissionsValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:StockRepurchasedandRetiredDuringPeriodExcludingWTCShares



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8951200571134412367727810
Percentage of StockRepurchasedandRetiredDuringPeriodExcludingWTCShares100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent



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
Value4916015744674715645935875947185905239731129557512579606648587580600596553574638599541524556579496498535567483528520574469465501385
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGross



Period End2020-03-31
Value956
Percentage of AccountsReceivableGross100.0

us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

wu:ReceivablesFromBusinessSolutionsCustomers



Period End2020-03-31
Value76
Percentage of AccountsReceivableGross8.0

wu:ReceivablesFromSellingAgents



Period End2020-03-31
Value851
Percentage of AccountsReceivableGross88.9

us-gaap:AccountsReceivableNet



Period End2020-03-312019-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value92712301415141312
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxes



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
Value1016101910081076108510541076116412621252464403402407235213222211199176186166201202221216196210228218233189259302480423411356363305317519381
Percentage of AccruedIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



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
Value85484181880177175574373271569768567265964062859758556655654149044542941740539037835434233232431129824723322119711787735940-14
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable



Period End2020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value294247645541373846282133
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

wu:ReceivablesFromBusinessSolutionsCustomers



Period End2020-03-312019-12-31
Value34
Percentage of AllowanceForDoubtfulAccountsReceivable12.510.7

wu:ReceivablesFromSellingAgents



Period End2020-03-312019-12-31
Value2520
Percentage of AllowanceForDoubtfulAccountsReceivable87.548.3

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value24344019246099000000000474700010000000
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value2055189218631738155714461613188515341425159714841727167615681806194024851848172914891678197416111986203316831456
Percentage of AssetsFairValueDisclosure8456.85470.84566.29056.86330.12386.816467.319040.40.00.00.00.00.00.00.00.00.05277.93924.40.00.00.01970.90.00.02033200.01683600.01456700.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2079192719031758158115071623189415341425159714841727167615681806194025331895172914891678207516111986203316831456162713771438
Percentage of AssetsFairValueDisclosure8556.85570.84666.29156.86430.12486.816567.319140.40.00.00.00.00.00.00.00.00.05377.94024.40.00.00.02070.90.00.02033300.01683700.01456800.00.00.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value403235281668
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-30
Value100
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.52.81.7

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value383134271667
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax96.396.398.097.598.2100.097.5

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2000174
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-31
Value200000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax10.0

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1000163
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax90.0100.0100.075.071.490.790.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1615166615691518135012121346
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-30
Value345243
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.13.12.8

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-30
Value636669
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis3.94.04.4

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1310122711971117969963955
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis81.173.676.373.671.879.571.0

us-gaap:VariableRateDemandObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value207276213316295168319
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis12.816.613.620.821.913.923.7

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value36141842049246132368229621393233465660503233826851
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:VariableRateDemandObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value191239205287295155246202
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue52.957.348.958.364.048.10.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue



Period End2020-03-312019-12-312019-09-302019-06-302015-06-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value622572508508519446364510698725760688
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:VariableRateDemandObligation



Period End2020-03-312019-12-312019-09-302019-06-30
Value161777
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue2.63.11.51.5

us-gaap:AvailableForSaleSecuritiesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1653169816041546136612101350
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-30
Value345243
Percentage of AvailableForSaleSecuritiesDebtSecurities2.13.12.7

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-30
Value646770
Percentage of AvailableForSaleSecuritiesDebtSecurities3.94.04.4

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1347125712321144984962960
Percentage of AvailableForSaleSecuritiesDebtSecurities81.574.176.874.072.179.571.1

us-gaap:VariableRateDemandObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value207276213316295168319
Percentage of AvailableForSaleSecuritiesDebtSecurities12.516.313.320.521.613.923.7

us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalentsFairValueDisclosure

wu:SettlementAssets, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24243091423
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption



Period End2020-03-312018-12-312017-12-31
Value-600000.0-700000.0-700000.0
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312018-12-312017-12-31
Value03030
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption100.0-4385.7-4385.7

us-gaap:DebtAndCapitalLeaseObligations



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
Value3070322932483080337034333295333131433033353336273490278632243228322532253483372537283720371437543844421339683717372640293433367336333583398235853583328932963296304830483143
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount



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
Value308532453259309233843449331133493159304935493644350927993230323032303230348037303730373037303765386042303980373037304030343036703580
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312014-09-302013-12-31
Value85245435268601250000
Percentage of DebtInstrumentFaceAmount2.87.613.38.71.83.60.00.00.00.0

us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-12-182018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312015-12-31
Value9509509509509509509505675755755755755755755755750
Percentage of DebtInstrumentFaceAmount30.829.329.130.728.127.50.017.117.218.218.916.215.816.420.50.00.0

wu:NotesPayable2022



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-08-222017-06-302017-03-312017-03-152016-12-31
Value5005005005005005005005005005005001004004004000
Percentage of DebtInstrumentFaceAmount16.215.415.316.214.814.515.114.915.816.414.10.011.011.40.00.0

wu:NotesPayable2023



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-112017-12-31
Value3003003003003003003003000
Percentage of DebtInstrumentFaceAmount9.79.29.29.78.98.79.10.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value30013372338331753415339433233363321331463641372535662888332833403300327935553890
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value307032293248308033703433329533313143303335333627349027863224322832253225348337253720
Percentage of DebtInstrumentFairValue102.395.896.097.098.7101.299.199.197.896.497.097.497.996.496.996.797.798.498.00.095.6

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1415121314161517151618192018181922
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3831352715-14
Percentage of DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value-100000.0100000.0
Percentage of DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax-0.30.3

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-30
Value100
Percentage of DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax3.72.81.7

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value363034271504
Percentage of DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax96.696.298.097.8100.650.0104.9

us-gaap:DebtWeightedAverageInterestRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-03-312017-06-302017-03-312014-06-302014-03-312012-09-302012-06-302012-03-312011-12-31
Value0.0390.040.0430.0450.0460.0440.0450.040.0390.0440.0430.050.0470.0480.048
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0350.0210.0240.0260.027
Percentage of DebtWeightedAverageInterestRate89.752.555.857.858.7

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value15015216116616516115616617317314013513585272268276272314310305
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value401204268202200245225262282273355296262365366428476396448411423
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value912010454596664571816181759109541025710513499120
Percentage of DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1477495817695911131139814111710414614315814711994114134
Percentage of DerivativeAssetNotOffsetPolicyElectionDeduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value16210969666482689015115819516197109167168271172220196167
Percentage of DerivativeAssetNotSubjectToMasterNettingArrangement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value401204268202200245225262282273355296262365366428476396448411676423333224
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:OtherAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value37214026302819187810113448263659
Percentage of DerivativeAssets9.210.315.013.015.211.68.76.92.62.92.84.013.113.27.28.615.1

us-gaap:OtherAssets, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value11403232313233142
Percentage of DerivativeAssets0.40.71.80.41.91.11.71.11.20.71.00.71.40.90.41.00.7

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments

us-gaap:OtherAssets, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, wu:BusinessSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value362182219173163214200238270260333277215307320368422326359328549349284201
Percentage of DerivativeAssets90.489.081.785.781.587.388.990.995.595.293.893.682.484.087.485.888.582.380.080.081.382.685.189.7

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value401204268202200245273355296262365366428476396448411676423333224
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value401204268202200245273355296262365366428476396448411676423333224
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value372144283328212191118164255445651678679123694422
Percentage of DerivativeAssets9.210.316.513.816.611.79.48.03.34.15.25.616.215.112.213.110.917.019.219.218.216.513.210.0

us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value364183224174167216203241273262337279219310321372425329362332553353289201
Percentage of DerivativeAssets90.889.783.586.283.488.390.692.096.795.994.894.483.884.987.886.989.183.080.880.881.883.586.890.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value238951991361361621561711311151601351642561982602052242282142552402512242042241549613016811012413071816983154109
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value23895199136136162156171131115160135164256198260205224228214255
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value205121112908510499129215214282203119152163186234169138171169243247223183179119861129790868210410980807380
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value205121112908510499129215214282203119152163186234169138171169
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value323159186145129176166204271263341264178262278339394283306291512317260223
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value04010281038363822311082
Percentage of DerivativeLiabilities0.13.00.31.30.61.65.05.314.313.711.48.51.80.53.82.50.8

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value53121245450532244
Percentage of DerivativeLiabilities1.82.30.81.61.41.42.72.61.72.00.22.02.11.10.71.41.5

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, wu:BusinessSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value317151184141126170153187227221301236170258265325374277301285505310248186
Percentage of DerivativeLiabilities98.194.798.997.198.097.092.391.883.884.388.289.495.698.595.496.094.897.798.397.998.797.895.583.3

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value323159186145129176263341264178262278339394283306291512317260223
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value323159186145129176263341264178262278339394283306291512317260223
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value04010281139363922411081323545935
Percentage of DerivativeLiabilities0.13.00.31.30.61.65.05.614.513.711.68.62.40.53.82.63.50.81.11.70.91.73.815.9

us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value323154186144128173158192232226301241174261267330381281303286507311250187
Percentage of DerivativeLiabilities99.997.099.798.799.498.495.094.485.586.388.491.497.699.596.297.496.599.298.998.399.198.396.284.1

us-gaap:DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value323159186145129176166204271263341264178262278339394283306291317
Percentage of DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value5747178887161011161418614619288650445634
Percentage of DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1477495817695911131139814111710414614315814711994114134
Percentage of DerivativeLiabilityNotOffsetPolicyElectionDeduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value118377455447266745648586059109115153160114168120147
Percentage of DerivativeLiabilityNotSubjectToMasterNettingArrangement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeNotionalAmount

currency:AUD, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value35363745
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0

currency:BRL, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value33323535
Percentage of DerivativeNotionalAmount94.690.094.579.0

currency:CAD, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value98999897
Percentage of DerivativeNotionalAmount280.1274.2259.1214.3

currency:CHF, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-30
Value312826
Percentage of DerivativeNotionalAmount89.780.169.7

currency:EUR, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value388391382364
Percentage of DerivativeNotionalAmount1105.71085.61010.0805.1

currency:EUR, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value251289285274
Percentage of DerivativeNotionalAmount717.1800.6752.0605.7

currency:GBP, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value55576176
Percentage of DerivativeNotionalAmount158.1158.4162.3168.7

currency:GBP, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value59785781
Percentage of DerivativeNotionalAmount168.4216.3152.5179.9

currency:INR, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value82616437
Percentage of DerivativeNotionalAmount235.3169.0170.282.1

currency:JPY, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value26373334
Percentage of DerivativeNotionalAmount75.5104.489.475.7

currency:MXN, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value39524934
Percentage of DerivativeNotionalAmount112.5144.9131.775.5

wu:OtherCurrency, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value49505250
Percentage of DerivativeNotionalAmount139.9141.0139.1110.6

wu:OtherCurrency, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value156145166138
Percentage of DerivativeNotionalAmount447.0403.3439.3305.7

us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, wu:BusinessSolutions



Period End2020-03-312019-12-312019-09-302018-12-31
Value7500750065006000
Percentage of DerivativeNotionalAmount21367.520775.617150.413245.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



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
Value9989611013105310441047104410111071104210211016996958955931910884869834808820797754714672627577562519495473433462489472466441426401374355276
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value32315918614512917626334126417826227833939428330629144234207417742194276456642863957410640203947
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3231591861451291762633412641782622783393942833062914423420741774219427645664286395741064020868210480
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.02.20.00.00.0

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value229242249259261
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0

us-gaap:OtherAssets



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
Value932762822778767616606652715675917709689746768789846733900805982669569488494562537453384319364426375363384325363350377435395442858
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities



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
Value651498533494492279264305363356487409281359451501549429453465718484393381391358372378291254258262261273235265277254249258259273198
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1667766911196000
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RestructuringReserve



Period End2020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312010-09-302010-06-302009-12-31
Value597379033121358133538330
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value5571790233135813340
Percentage of RestructuringReserve92.997.199.2100.070.330.2100.0100.0100.0100.098.696.90.0

us-gaap:FacilityClosing



Period End2020-03-312019-12-312019-09-30
Value420
Percentage of RestructuringReserve7.12.90.8

us-gaap:SettlementAssetsCurrent



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
Value313432963297372834973813401840114026418839473646345237493389335733263308336934903472331334653603351532703408346233193114332631033091
Percentage of SettlementAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24243091423
Percentage of SettlementAssetsCurrent0.80.70.90.20.40.6

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



Period End2020-03-312019-12-312019-09-30
Value345243
Percentage of SettlementAssetsCurrent1.11.61.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-30
Value646770
Percentage of SettlementAssetsCurrent2.12.02.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302018-12-31
Value134712571232962
Percentage of SettlementAssetsCurrent43.038.237.425.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:VariableRateDemandObligation



Period End2020-03-312019-12-312019-09-302018-12-31
Value207276213168
Percentage of SettlementAssetsCurrent6.68.46.54.4

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-30
Value345243
Percentage of SettlementAssetsCurrent1.11.61.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24243091423
Percentage of SettlementAssetsCurrent0.80.70.90.20.40.6

us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-30
Value646770
Percentage of SettlementAssetsCurrent2.12.02.1

us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302018-12-31
Value134712571232962
Percentage of SettlementAssetsCurrent43.038.237.425.2

us-gaap:FairValueMeasurementsRecurring, us-gaap:VariableRateDemandObligation



Period End2020-03-312019-12-312019-09-302018-12-31
Value207276213168
Percentage of SettlementAssetsCurrent6.68.46.54.4

us-gaap:SettlementLiabilitiesCurrent



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
Value313432963297372834973813401840114026418839473646345237493389335733263308336934903472331334653603351532703408346233193114332631033091
Percentage of SettlementLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-312006-12-31
Value-149-39-1930-374-309-415-451-375-491709661750902138713141239140413471307134913001179107010671104105092891794011461052967894501379280582437399380353-850-315
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-126-128-129-131-133-136-131-133-135-113-122
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest84.6326.3656.9-436.135.743.931.629.636.123.0-13.5

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value17-3195117-4-8-46-4033
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-11.49.1-101.017.9-3.0-2.41.21.912.28.33.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3024272111-1-9-4-52-3
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-20.3-62.5-140.172.2-3.20.42.31.01.5-0.5-0.4

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value-180-209-183-205-211-231-246-248-276-227-162-143-118-169-152-118-132-127-30-68-73
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest120.4529.1929.4-681.156.574.659.455.073.446.4-18.0-10.2-9.1-15.3-16.2-13.2-22.8-36.0370.4-135.723.3

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-101-101-101-101-101-101-101-101-88-76-70
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest67.6256.2513.7-335.127.032.724.422.423.615.6-7.8

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value85484181880177175574373271569764056644539033224711740-14-341-437
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-570.9-2129.6-4155.32653.3-206.1-243.9-179.1-162.2-190.4-142.071.040.334.335.435.427.620.111.5177.8-672.8138.6

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-180-209-183-205-211-231-246-248-276-227-162
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest120.4529.1929.4-681.156.574.659.455.073.446.4-18.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value444444444445555666777
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.7-10.6-21.314.2-1.1-1.4-1.1-1.0-1.2-0.90.50.40.40.50.60.71.12.0-87.714.8-2.4

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value-828-675-659-569-938-838-916-939-820-96541997796887775476059143329453207
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest553.21711.13347.2-1886.4250.7270.8220.8208.3218.4196.646.569.674.579.480.284.9101.5122.5-360.5893.7-65.8

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value2527282724232625242520242322191916171616151515161517232220201919192060575552504845
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value28028328228628428430930931531932834734534381951019695918682931061021081029894939697113115650615584555555522468
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedgain



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value40323528166243813138520231714
Percentage of Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedgain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedgainloss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3831352815-1-12-6-74980-619221712
Percentage of Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedgainloss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedloss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2000171410104348111002
Percentage of Availableforsaleandheldtomaturitysecuritiesaccumulatedgrossunrealizedloss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:Availableforsaleandheldtomaturitysecuritiesamortizedcost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value163916911605154513921295138813461234140215861280120212741143131112071159
Percentage of Availableforsaleandheldtomaturitysecuritiesamortizedcost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:Availableforsaleandheldtomaturitysecuritiesfairvalue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value167817231640157314081294137513391227140615951289120312681162133312241171
Percentage of Availableforsaleandheldtomaturitysecuritiesfairvalue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:SettlementAssetsCashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value55336849079113941247125512651374126410921148108611901153895964107599710015838348921045866538731849932574362170483712288159207133246193161
Percentage of SettlementAssetsCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:SettlementAssetsInvestmentSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value16531698160415461366121012771255116213501389123811631231111812981200116212571429185614721396124914271750155514611225151418561864157213321497130613051369117412271222
Percentage of SettlementAssetsInvestmentSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:SettlementObligationsMoneyTransferMoneyOrderAndPaymentServicePayables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value24272571258728122790279326792824281927892768267126032598244924532416242824572532253723562485258525582376256325112489229723942245228322422159201520512170192518941954
Percentage of SettlementObligationsMoneyTransferMoneyOrderAndPaymentServicePayables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wu:SettlementObligationsPayablesToAgents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value706725710915141310201338118712071399117997484911509399039098809129589359579801018957893844951829817931857901848597570482465468446434
Percentage of SettlementObligationsPayablesToAgents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical


us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:Revenues us-gaap:ProductOrService


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