Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 4,873	$ 4,518	$ 14,176	$ 13,106
Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	2,106	1,878	6,018	5,432
Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	795	766	2,371	2,347
Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	1,704	1,617	4,978	4,597
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 268	$ 257	$ 809	$ 730
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%	14.00%
Processing
Disaggregation of Revenue [Line Items]
Revenue	$ 3,459	$ 3,217	$ 10,028	$ 9,363
Processing | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	1,796	1,586	5,122	4,649
Processing | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	421	407	1,251	1,210
Processing | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	1,237	1,218	3,637	3,486
Processing | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	5	6	18	18
Hardware, print and card production
Disaggregation of Revenue [Line Items]
Revenue	534	534	1,600	1,466
Hardware, print and card production | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	257	254	744	694
Hardware, print and card production | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	19	9	42	28
Hardware, print and card production | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	258	271	814	744
Hardware, print and card production | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Professional services
Disaggregation of Revenue [Line Items]
Revenue	201	198	588	584
Professional services | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	6	5	16	15
Professional services | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	119	119	348	366
Professional services | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	76	74	224	203
Professional services | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Software maintenance
Disaggregation of Revenue [Line Items]
Revenue	137	145	431	433
Software maintenance | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Software maintenance | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	128	138	403	415
Software maintenance | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	9	7	28	18
Software maintenance | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
License and termination fees
Disaggregation of Revenue [Line Items]
Revenue	128	70	321	274
License and termination fees | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	10	15	31	43
License and termination fees | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	46	36	145	152
License and termination fees | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	72	19	145	79
License and termination fees | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Output Solutions postage
Disaggregation of Revenue [Line Items]
Revenue	263	251	791	712
Output Solutions postage | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Output Solutions postage | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Output Solutions postage | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Output Solutions postage | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	263	251	791	712
Other
Disaggregation of Revenue [Line Items]
Revenue	151	103	417	274
Other | Operating segments | Acceptance
Disaggregation of Revenue [Line Items]
Revenue	37	18	105	31
Other | Operating segments | Fintech
Disaggregation of Revenue [Line Items]
Revenue	62	57	182	176
Other | Operating segments | Payments
Disaggregation of Revenue [Line Items]
Revenue	52	28	130	67
Other | Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0