Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 19,093	$ 17,737	$ 16,226
Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	8,132	7,292	6,479
Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	3,171	3,170	3,022
Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	6,696	6,262	5,833
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 1,094	$ 1,013	$ 892
Geographic Concentration Risk | Non-US | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
Percentage of concentration risk	15.00%	14.00%	14.00%
Processing
Disaggregation of Revenue [Line Items]
Revenue	$ 13,538	$ 12,565	$ 11,584
Processing | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	6,942	6,226	5,511
Processing | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	1,671	1,608	1,544
Processing | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	4,902	4,709	4,497
Processing | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	23	22	32
Hardware, print and card production
Disaggregation of Revenue [Line Items]
Revenue	2,129	1,996	1,787
Hardware, print and card production | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	978	918	830
Hardware, print and card production | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	60	42	44
Hardware, print and card production | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	1,091	1,036	913
Hardware, print and card production | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Professional services
Disaggregation of Revenue [Line Items]
Revenue	812	783	779
Professional services | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	25	21	43
Professional services | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	469	484	471
Professional services | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	318	278	265
Professional services | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Software maintenance
Disaggregation of Revenue [Line Items]
Revenue	571	577	568
Software maintenance | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Software maintenance | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	531	553	557
Software maintenance | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	40	24	11
Software maintenance | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
License and termination fees
Disaggregation of Revenue [Line Items]
Revenue	427	435	298
License and termination fees | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	40	69	47
License and termination fees | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	198	252	186
License and termination fees | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	189	114	65
License and termination fees | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Output Solutions postage
Disaggregation of Revenue [Line Items]
Revenue	1,071	989	860
Output Solutions postage | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Output Solutions postage | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Output Solutions postage | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Output Solutions postage | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	1,071	989	860
Other
Disaggregation of Revenue [Line Items]
Revenue	545	392	350
Other | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	147	58	48
Other | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	242	231	220
Other | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	156	101	82
Other | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 2	$ 0