Business Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenue		$ 4,450	$ 4,051	$ 8,588	$ 7,806
Operating income (loss)		860	644	1,706	1,119
Corporate and Other
Segment Reporting Information [Line Items]
Revenue		228	210	473	427
Operating income (loss)		(676)	(782)	(1,193)	(1,518)
Acceptance | Operating segments
Segment Reporting Information [Line Items]
Revenue		1,901	1,666	3,554	3,063
Operating income (loss)		593	524	1,063	911
Fintech | Operating segments
Segment Reporting Information [Line Items]
Revenue		803	754	1,581	1,490
Operating income (loss)		281	273	556	519
Payments | Operating segments
Segment Reporting Information [Line Items]
Revenue		1,518	1,421	2,980	2,826
Operating income (loss)		662	629	1,280	1,207
Processing and services revenue
Segment Reporting Information [Line Items]
Revenue	[1]	3,696	3,361	7,060	6,415
Processing and services revenue | Corporate and Other
Segment Reporting Information [Line Items]
Revenue		6	10	10	22
Processing and services revenue | Acceptance | Operating segments
Segment Reporting Information [Line Items]
Revenue		1,668	1,432	3,078	2,621
Processing and services revenue | Fintech | Operating segments
Segment Reporting Information [Line Items]
Revenue		760	708	1,495	1,397
Processing and services revenue | Payments | Operating segments
Segment Reporting Information [Line Items]
Revenue		1,262	1,211	2,477	2,375
Product revenue
Segment Reporting Information [Line Items]
Revenue		754	690	1,528	1,391
Product revenue | Corporate and Other
Segment Reporting Information [Line Items]
Revenue		222	200	463	405
Product revenue | Acceptance | Operating segments
Segment Reporting Information [Line Items]
Revenue		233	234	476	442
Product revenue | Fintech | Operating segments
Segment Reporting Information [Line Items]
Revenue		43	46	86	93
Product revenue | Payments | Operating segments
Segment Reporting Information [Line Items]
Revenue		$ 256	$ 210	$ 503	$ 451

[1] Includes processing and other fees charged to related party investments accounted for under the equity method of $50 million and $56 million for the three months ended June 30, 2022 and 2021, respectively, and $100 million and $114 million for the six months ended June 30, 2022 and 2021, respectively (see Note 18).