Schedule I - Condensed Financial Information of the Registrant - Promissory Notes (Parenthetical) (Details)	Jun. 29, 2023
Parent Company \| Reportable Legal Entities \| Western Union International Bank
NOTES TO CONDENSED FINANCIAL STATEMENTS
Noncontrolling interest, ownership percentage by parent	100.00%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant