Segment Information and Concentrations - Revenue and Operating Income By Segments (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) segment	Sep. 30, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			4
Revenue by segment	$ 1,613	$ 1,647	$ 4,693	$ 4,823
Operating income by segment	218	204	566	569
Pension expense	5	1	431	2
Other adjustments	45	162	138	249
Income from operations	168	41	(3)	318
Restructuring and other asset-related charges	12	127	36	127
Acquisition Related Amortization Costs Included in Other Adjustments	31	29	94	89
Acquisiton Related Costs Included In Other Adjustments	2	5	7	25
Acquisition Related Purchase Price Adjustments	0	1	0	6
Legal Costs for OFAC and FCPA Investigations	0	0	1	2
Financial Services [Member]
Segment Reporting Information [Line Items]
Revenue by segment	820	899	2,458	2,593
Operating income by segment	135	144	363	384
Retail Solutions [Member]
Segment Reporting Information [Line Items]
Revenue by segment	523	489	1,473	1,482
Operating income by segment	43	24	101	108
Hospitality [Member]
Segment Reporting Information [Line Items]
Revenue by segment	177	168	497	487
Operating income by segment	30	27	75	62
Emerging Industries [Member]
Segment Reporting Information [Line Items]
Revenue by segment	93	91	265	261
Operating income by segment	$ 10	$ 9	$ 27	$ 15