XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.22.2

Divestitures and Investment Activities - Schedule of Assets and Liabilities Held for Sale (Parenthetical) (Details) - Business Solutions - Asset Held for Sale, Not Discontinued Operations - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Accumulated depreciation on property and equipment | $ 2.5 | $ 19.3
Accumulated amortization on other intangible assets | $ 78.2 | $ 360.2

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disposal group including discontinued operation accumulated depreciation depletion and amortization. + References No definition available. + Details
Name: | wu_DisposalGroupIncludingDiscontinuedOperationAccumulatedDepreciationDepletionAndAmortization
Namespace Prefix: | wu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Disposal group including discontinued operation finite lived intangible assets accumulated amortization. + References No definition available. + Details
Name: | wu_DisposalGroupIncludingDiscontinuedOperationFiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | wu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wu_BusinessSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |