Segment Information - Schedule of Acquisition, Integration and Other Costs (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information
Acquisition and integration	$ 12	$ 14	$ 21	$ 33
Total acquisition, integration and other costs	113	123	326	427
One-Time Performance-Related Awards
Segment Reporting Information
Stock-based compensation, primarily from certain performance-based awards	9	25	13	79
Worldpay Merchant Solutions
Segment Reporting Information
Pending separation of the Worldpay Merchant Solutions business	5	0	7	0
Enterprise Costs Control and Other Initiatives
Segment Reporting Information
Other, including divestiture-related expenses and enterprise cost control and other initiatives	2	13	14	72
Platform Initiatives \| Enterprise Cost Control Initiatives and Changes in Senior Management
Segment Reporting Information
Severance and other termination expenses, including those associated with enterprise cost control initiatives and changes in senior management	6	16	48	52
Future Forward \| Platform Modernization
Segment Reporting Information
Enterprise transformation, including Future Forward and platform modernization	$ 79	$ 55	$ 223	$ 191

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Enterprise Transformation Cost

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- Definition

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)
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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