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Segment Information - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) country	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information
Number of countries in which entity operates (more than) | country	100
Asset impairments	$ 202	$ 136	$ 87
Data center consolidation costs	43	88	$ 70
Accelerated stock compensation expense	104
Foreign Entities
Segment Reporting Information
Long-term assets, excluding goodwill and other intangible assets	1,608	1,772
COVID-19 Pandemic
Segment Reporting Information
Incremental charges	44	$ 71
Platform Modernization
Segment Reporting Information
Modernization of Technology Platforms, Process Automation Costs	139
Incremental charges	183
Platform Modernization | Software and Deferred Contract Cost Assets
Segment Reporting Information
Asset impairments	$ 202
Merchant Solutions | Minimum
Segment Reporting Information
Number of countries in which entity operates (more than) | country	100
Banking Solutions | Minimum
Segment Reporting Information
Number of countries in which entity operates (more than) | country	100
Capital Market Solutions | Minimum
Segment Reporting Information
Number of countries in which entity operates (more than) | country	100

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- Definition

Data Center Consolidation Costs

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- Definition

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

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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