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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 3,769	$ 1,502
Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	1,401	0
Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	718	725
Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	1,386	651
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 264	$ 126
Geographic Concentration Risk | Foreign Tax Authority | Sales Revenue, Net
Disaggregation of Revenue [Line Items]
Percentage of concentration risk	13.00%	6.00%
Processing
Disaggregation of Revenue [Line Items]
Revenue	$ 2,649	$ 896
Processing | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	1,183
Processing | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	351	342
Processing | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	1,090	511
Processing | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	25	43
Hardware, print and card production
Disaggregation of Revenue [Line Items]
Revenue	397	87
Hardware, print and card production | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	193
Hardware, print and card production | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	12	12
Hardware, print and card production | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	192	75
Hardware, print and card production | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0
Professional services
Disaggregation of Revenue [Line Items]
Revenue	173	138
Professional services | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	3
Professional services | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	112	113
Professional services | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	57	23
Professional services | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	1	2
Software maintenance
Disaggregation of Revenue [Line Items]
Revenue	144	148
Software maintenance | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	0
Software maintenance | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	141	143
Software maintenance | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	1	1
Software maintenance | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	2	4
License and termination fees
Disaggregation of Revenue [Line Items]
Revenue	74	73
License and termination fees | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	6
License and termination fees | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	46	60
License and termination fees | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	22	13
License and termination fees | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0
Output solutions postage
Disaggregation of Revenue [Line Items]
Revenue	236	77
Output solutions postage | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	0
Output solutions postage | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	0	0
Output solutions postage | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	0	0
Output solutions postage | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	236	77
Other
Disaggregation of Revenue [Line Items]
Revenue	96	83
Other | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	16
Other | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	56	55
Other | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	24	28
Other | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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