Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 4,756	$ 4,450	$ 9,303	$ 8,588
Operating segments \| Acceptance
Disaggregation of Revenue [Line Items]
Revenue	2,065	1,901	3,912	3,554
Operating segments \| Fintech
Disaggregation of Revenue [Line Items]
Revenue	784	803	1,576	1,581
Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	1,645	1,518	3,274	2,980
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 262	$ 228	$ 541	$ 473
Geographic Concentration Risk \| Non-US \| Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
Percentage of concentration risk	14.00%	14.00%	14.00%	14.00%
Processing
Disaggregation of Revenue [Line Items]
Revenue	$ 3,406	$ 3,219	$ 6,569	$ 6,146
Processing \| Operating segments \| Acceptance
Disaggregation of Revenue [Line Items]
Revenue	1,772	1,660	3,326	3,063
Processing \| Operating segments \| Fintech
Disaggregation of Revenue [Line Items]
Revenue	414	398	830	803
Processing \| Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	1,213	1,155	2,400	2,268
Processing \| Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	7	6	13	12
Hardware, print and card production
Disaggregation of Revenue [Line Items]
Revenue	521	462	1,066	932
Hardware, print and card production \| Operating segments \| Acceptance
Disaggregation of Revenue [Line Items]
Revenue	241	215	487	440
Hardware, print and card production \| Operating segments \| Fintech
Disaggregation of Revenue [Line Items]
Revenue	11	10	23	19
Hardware, print and card production \| Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	269	237	556	473
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	191	203	387	386
Professional services \| Operating segments \| Acceptance
Disaggregation of Revenue [Line Items]
Revenue	6	5	10	10
Professional services \| Operating segments \| Fintech
Disaggregation of Revenue [Line Items]
Revenue	117	131	229	247
Professional services \| Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	68	67	148	129
Professional services \| Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Software maintenance
Disaggregation of Revenue [Line Items]
Revenue	151	144	294	288
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	138	139	275	277
Software maintenance \| Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	13	5	19	11
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	101	116	193	204
License and termination fees \| Operating segments \| Acceptance
Disaggregation of Revenue [Line Items]
Revenue	11	14	21	28
License and termination fees \| Operating segments \| Fintech
Disaggregation of Revenue [Line Items]
Revenue	46	68	99	116
License and termination fees \| Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	44	34	73	60
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	255	222	528	461
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	255	222	528	461
Other
Disaggregation of Revenue [Line Items]
Revenue	131	84	266	171
Other \| Operating segments \| Acceptance
Disaggregation of Revenue [Line Items]
Revenue	35	7	68	13
Other \| Operating segments \| Fintech
Disaggregation of Revenue [Line Items]
Revenue	58	57	120	119
Other \| Operating segments \| Payments
Disaggregation of Revenue [Line Items]
Revenue	38	20	78	39
Other \| Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0