XML 85 R65.htm IDEA: XBRL DOCUMENT v3.22.4

Settlement Assets and Obligations - Summary of Activity in the Allowance for Credit Losses (Parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Losses from chargebacks or fraud that are not credit-related	$ 37.5	$ 51.4	$ 41.3

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents losses from chargebacks or fraud associated with transactions initiated through the company's digital channels and not credit-related.

+ References

No definition available.

+ Details

Name:	wu_FinancingReceivableLossesNotCreditRelated
Namespace Prefix:	wu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration