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Segment Information (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) country	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information
Number of countries in which entity operates (more than)	140
Foreign Entities
Segment Reporting Information
Long-term assets, excluding goodwill and other intangible assets | $	$ 1,646	$ 560
Worldpay
Segment Reporting Information
Consolidation and other cost | $	$ 704
SunGard
Segment Reporting Information
Acquisition, integration and other costs | $		$ 156	$ 178
Merchant Solutions
Segment Reporting Information
Number of countries in which entity operates (more than)	140
Banking Solutions
Segment Reporting Information
Number of countries in which entity operates (more than)	130
Capital Market Solutions
Segment Reporting Information
Number of countries in which entity operates (more than)	100

X

- Definition

Business Acquisition, Cost of Acquired Entity, Consolidation Costs

+ References

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+ Details

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X

- Definition

Long-term Assets, Excluding Goodwill and Other Intangible Assets.

+ References

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+ Details

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X

- Definition

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.

+ References

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+ Details

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X

- Definition

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

+ References

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+ Details

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X

- 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.

+ References

No definition available.

+ Details

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X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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X

- Details

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X

- Details

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