Segment Information - Schedule of Operating Segment Results (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Transaction and processing service fees	[1]	$ 1,686	$ 1,669	$ 3,249	$ 3,260
Product sales and other	[1]	349	307	668	586
Total revenues		3,025	2,928	5,826	5,705
Depreciation and amortization		237	238	465	476
Segment EBITDA		786	746	1,437	1,382
Operating Segments
Revenues:
Total revenues		1,849	1,798	3,574	3,491
Operating Segments | Global Business Solutions
Revenues:
Transaction and processing service fees		823	819	1,566	1,574
Product sales and other		235	209	454	398
Equity earnings in affiliates		8	9	17	20
Total revenues		1,066	1,037	2,037	1,992
Depreciation and amortization		106	110	212	213
Segment EBITDA		483	448	865	824
Other operating expenses and other income (expense) excluding divestitures		(11)	39	(21)	22
Operating Segments | Global Financial Solutions
Revenues:
Transaction and processing service fees		347	341	694	678
Product sales and other		55	54	101	103
Equity earnings in affiliates		0	0	0	0
Total revenues		402	395	795	781
Depreciation and amortization		90	88	175	182
Segment EBITDA		167	160	322	315
Other operating expenses and other income (expense) excluding divestitures		(5)	0	(7)	4
Operating Segments | Network & Security Solutions
Revenues:
Transaction and processing service fees		330	321	646	634
Product sales and other		51	45	96	84
Equity earnings in affiliates		0	0	0	0
Total revenues		381	366	742	718
Depreciation and amortization		31	30	61	57
Segment EBITDA		180	166	336	317
Other operating expenses and other income (expense) excluding divestitures		(1)	0	(2)	(2)
Corporate
Revenues:
Transaction and processing service fees		0	0	0	0
Product sales and other		0	0	0	0
Equity earnings in affiliates		0	0	0	0
Total revenues		0	0	0	0
Depreciation and amortization		4	3	5	7
Segment EBITDA		(44)	(28)	(86)	(74)
Other operating expenses and other income (expense) excluding divestitures		(14)	(26)	(24)	(26)
Total
Revenues:
Transaction and processing service fees		1,500	1,481	2,906	2,886
Product sales and other		341	308	651	585
Equity earnings in affiliates		8	9	17	20
Total revenues		1,849	1,798	3,574	3,491
Depreciation and amortization		231	231	453	459
Segment EBITDA		786	746	1,437	1,382
Other operating expenses and other income (expense) excluding divestitures		$ (31)	$ 13	$ (54)	$ (2)

[1] Includes processing fees, administrative service fees, and other fees charged to merchant alliances accounted for under the equity method of $54 million and $106 million for the three and six months ended June 30, 2017, respectively, and $45 million and $98 million for the comparable periods in 2016.