Condensed Consolidated Statements Of Income (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue:
Processing and services	$ 882	$ 858	$ 2,628	$ 2,545
Product	181	167	548	510
Total revenue	1,063	1,025	3,176	3,055
Expenses:
Cost of processing and services	490	461	1,443	1,380
Cost of product	141	128	436	393
Selling, general and administrative	189	185	582	542
Total expenses	820	774	2,461	2,315
Operating income	243	251	715	740
Interest expense, net	(45)	(49)	(138)	(140)
Loss on early debt extinguishment	(24)		(85)
Income from continuing operations before income taxes and income from investment in unconsolidated affiliate	174	202	492	600
Income tax provision	(55)	(73)	(168)	(224)
Income from investment in unconsolidated affiliate	8	5	14	11
Income from continuing operations	127	134	338	387
Loss from discontinued operations, net of income taxes		(2)	(9)	(7)
Net income	$ 127	$ 132	$ 329	$ 380
Net income (loss) per share-basic:
Continuing operations	$ 0.90	$ 0.90	$ 2.36	$ 2.56
Discontinued operations		$ (0.02)	$ (0.07)	$ (0.05)
Total	$ 0.90	$ 0.88	$ 2.30	$ 2.51
Net income (loss) per share-diluted:
Continuing operations	$ 0.89	$ 0.89	$ 2.33	$ 2.54
Discontinued operations		$ (0.02)	$ (0.07)	$ (0.05)
Total	$ 0.89	$ 0.87	$ 2.27	$ 2.49
Shares used in computing net income (loss) per share:
Basic	141.1	149.7	143.2	151.2
Diluted	142.6	150.9	144.8	152.4