Segment Reporting, Segment Revenue and Segment Profit (Loss) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) service_offering primaryreportablesegment	Sep. 30, 2014 USD ($)
Segment Reporting Information [Line Items]
Disposal Date			Sep. 30, 2015
Primary Reportable Segments, Number | primaryreportablesegment			2
Segment Revenue	$ 4,333	$ 4,795	$ 13,392	$ 14,507
Segment Profit (Loss)	(33)	442	641	1,320
Services
Segment Reporting Information [Line Items]
Software Implementation Charge	389		389
Software Implementation Charge - Cost of Goods Sold	273		273
Software Implementation Charge - Revenue Reversal	116		116
Segment Revenue	2,416	2,623	7,499	7,859
Segment Profit (Loss)	(184)	240	197	688
Document Technology [Member]
Segment Reporting Information [Line Items]
Segment Revenue	1,778	2,029	5,488	6,199
Segment Profit (Loss)	227	284	658	839
Other [Member]
Segment Reporting Information [Line Items]
Segment Revenue	139	143	405	449
Segment Profit (Loss)	$ (76)	$ (82)	$ (214)	$ (207)
Outsourcing Offerings [Member] | Services
Segment Reporting Information [Line Items]
Outsourcing Service Offerings, Number | service_offering			2