Condensed Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Revenue
Product revenue	$ 306	[1]	$ 287	[1]	$ 935	[1]	$ 791	[1]
Service revenue	341		315		990		898
Total revenue	647		602		1,925		1,689
Costs and operating expenses
Cost of products	95		99		297		271
Cost of services	191		175		547		499
Selling, general and administrative expenses	174		163		518		478
Research and development expenses	44		43		133		118
Total costs and operating expenses	504		480		1,495		1,366
Income from operations	143		122		430		323
Other (expense) income, net	0		(1)		(1)		25
Income before income taxes	143		121		429		348
Income tax expense	39		34		122		93
Net income	$ 104		$ 87		$ 307		$ 255
Net income per weighted average common share
Basic	$ 0.62		$ 0.52		$ 1.82		$ 1.52
Diluted	$ 0.60		$ 0.51		$ 1.78		$ 1.48
Weighted average common shares outstanding
Basic	168.8		167.9		168.4		168.3
Diluted	172.4		171.7		172.1		172.1

[1] Our data warehousing software and hardware products are often sold and delivered together in the form of a "node" of capacity as an integrated technology solution. Accordingly, it is impracticable to provide the breakdown of revenue from various types of software and hardware products.