Segment Information - Schedule of Acquisition, Integration and Other Costs (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information
Acquisition and integration	$ 88	$ 48	$ 50
Incremental stock compensation directly attributable to specific programs	3	34	26
Total acquisition, integration and other costs	624	482	581
One-Time Performance-Related Awards
Segment Reporting Information
Incremental stock compensation directly attributable to specific programs	58	15	83
Worldpay Merchant Solutions
Segment Reporting Information
Separation of the Worldpay Merchant Solutions business	148	17	0
Enterprise Costs Control and Other Initiatives
Segment Reporting Information
Other, including divestiture-related expenses and enterprise cost control and other initiatives	12	20	80
Platform Initiatives \| Enterprise Cost Control Initiatives and Changes in Senior Management
Segment Reporting Information
Severance and other termination expenses	56	70	89
Future Forward \| Platform Modernization
Segment Reporting Information
Enterprise transformation, including Future Forward and platform modernization	$ 262	$ 312	$ 279

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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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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