Segment Information and Concentrations - Revenue and Operating Income By Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 segment		Mar. 31, 2013
Segment Reporting Information [Line Items]
Number of Reportable Segments	4
Revenue by segment	$ 1,518		$ 1,410
Operating income by segment	155		129
Pension expense	(1)		7
Other adjustments	48	[1]	37	[1]
Income from operations	108		85
Acquisiton Related Costs Included In Other Adjustments	14		16
Acquisition Related Amortization Costs Included in Other Adjustments	30		14
Acquisition Related Purchase Price Adjustments	3		6
Legal Costs for OFAC and FCPA Investigations	1		1
Financial Services [Member]
Segment Reporting Information [Line Items]
Revenue by segment	794	[2]	714	[2]
Operating income by segment	103	[2]	57	[2]
Retail Solutions [Member]
Segment Reporting Information [Line Items]
Revenue by segment	490		489
Operating income by segment	36		41
Hospitality [Member]
Segment Reporting Information [Line Items]
Revenue by segment	149		131
Operating income by segment	12		21
Emerging Industries [Member]
Segment Reporting Information [Line Items]
Revenue by segment	85		76
Operating income by segment	4		10
Digital Insight [Member]
Segment Reporting Information [Line Items]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	76
Segment Operting Income of Acquiree Since Acquisition	$ 23

[1] Other adjustments for the three months ended March 31, 2014 include $14 million of acquisition-related costs, $30 million of acquisition-related amortization of intangible assets, $3 million of acquisition-related purchase price adjustments and $1 million of legal costs related to previously disclosed OFAC and FCPA investigations and for the three months ended March 31, 2013 include $16 million of acquisition-related costs, $14 million of acquisition-related amortization of intangible assets, $6 million of purchase price adjustments and $1 million of legal costs related to previously disclosed OFAC and FCPA investigations.

[2] From the acquisition date of January 10, 2014 through March 31, 2014, Digital Insight contributed $76 million in revenue and $23 million in segment operating income to the Financial Services segment.