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Segment Information - Schedule of Acquisition, Integration and Other Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information
Acquisition and integration	$ 8	$ 24
Total acquisition, integration and other costs	153	158
One-Time Performance-Related Awards
Segment Reporting Information
Incremental stock compensation directly attributable to specific programs	10	11
Worldpay Merchant Solutions
Segment Reporting Information
Separation of the Worldpay Merchant Solutions business	21	30
Enterprise Costs Control and Other Initiatives
Segment Reporting Information
Other, including divestiture-related expenses and enterprise cost control and other initiatives	9	2
Platform Initiatives | Enterprise Cost Control Initiatives and Changes in Senior Management
Segment Reporting Information
Severance and other termination expenses	59	18
Future Forward | Platform Modernization
Segment Reporting Information
Enterprise transformation, including Future Forward and platform modernization	$ 46	$ 73

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Corporate And Other Segment Related To Acquisition, Integration And Other Costs

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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