Segment Information and Concentrations - Revenue and Operating Income By Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 1,972	$ 1,901	$ 5,835	$ 5,122
Adjusted EBITDA by segment	380	352	990	891
Revenue Attributable to Russia Operations		14		33
Russia Conflict
Segment Reporting Information [Line Items]
Total revenue	0	0	9	0
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	1,972	1,901	5,826	5,122
Adjusted EBITDA by segment	380	352	990	891
Retail | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	575	541	1,683	1,623
Adjusted EBITDA by segment	128	104	299	323
Hospitality | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	238	224	687	618
Adjusted EBITDA by segment	51	44	138	119
Digital Banking | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	137	128	404	380
Adjusted EBITDA by segment	60	52	172	161
Payments & Network | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	336	304	967	380
Adjusted EBITDA by segment	114	111	309	133
Self-Service Banking | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	640	637	1,930	1,910
Adjusted EBITDA by segment	150	155	404	432
Other | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	58	75	187	229
Adjusted EBITDA by segment	(112)	(109)	(307)	(265)
Eliminations | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	(12)	(8)	(32)	(18)
Adjusted EBITDA by segment	$ (11)	$ (5)	$ (25)	$ (12)