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Segment Information - (Narrative) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) country	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) country	Sep. 30, 2019 USD ($)
COVID-19 Pandemic
Segment Reporting Information
Incremental charges | $	$ 41		$ 56
Worldpay
Segment Reporting Information
Data center consolidation costs | $	$ 20	$ 25	$ 60	$ 50
Merchant solutions | Minimum
Segment Reporting Information
Number of countries we operate in (more than)	140		140
Banking solutions | Minimum
Segment Reporting Information
Number of countries we operate in (more than)	130		130
Capital market solutions | Minimum
Segment Reporting Information
Number of countries we operate in (more than)	100		100

X

- Definition

Data Center Consolidation Costs

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- Definition

Incremental Charges

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- Definition

The number of countries in which the entity operates as of balance sheet date.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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