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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Revenue	$ 4,045	$ 3,128	$ 1,512	$ 1,502	$ 1,551	$ 1,412	$ 1,420	$ 1,440	$ 10,187	$ 5,823	$ 5,696
Operating segments | First Data
Disaggregation of Revenue [Line Items]
Revenue									4,078	0	0
Operating segments | First Data | Global Business Solutions
Disaggregation of Revenue [Line Items]
Revenue									2,520
Operating segments | First Data | Global Financial Solutions
Disaggregation of Revenue [Line Items]
Revenue									927
Operating segments | First Data | Network & Security Solutions
Disaggregation of Revenue [Line Items]
Revenue									631
Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue									3,744	3,467	3,234
Operating segments | Payments | Digital Money Movement
Disaggregation of Revenue [Line Items]
Revenue									1,483	1,460
Operating segments | Payments | Card and Related Services
Disaggregation of Revenue [Line Items]
Revenue									1,934	1,682
Operating segments | Payments | Other
Disaggregation of Revenue [Line Items]
Revenue									327	325
Operating segments | Financial
Disaggregation of Revenue [Line Items]
Revenue									2,407	2,395	2,530
Operating segments | Financial | Account and Item Processing
Disaggregation of Revenue [Line Items]
Revenue									2,125	2,094
Operating segments | Financial | Lending Solutions
Disaggregation of Revenue [Line Items]
Revenue										54
Operating segments | Financial | Other
Disaggregation of Revenue [Line Items]
Revenue									282	247
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue									$ (42)	$ (39)	$ (68)
Geographic Concentration Risk | Sales Revenue, Net | Foreign tax authority
Disaggregation of Revenue [Line Items]
Percentage of concentration risk									12.00%	6.00%	5.00%

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