Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Processing and services	$ 1,186	$ 1,159	$ 2,364	$ 2,281
Product	200	204	416	413
Total revenue	1,386	1,363	2,780	2,694
Expenses:
Cost of processing and services	573	547	1,143	1,100
Cost of product	175	180	357	361
Selling, general and administrative	276	274	553	532
Gain on sale of business	(10)	0	(10)	0
Total expenses	1,014	1,001	2,043	1,993
Operating income	372	362	737	701
Interest expense	(44)	(40)	(86)	(80)
Interest and investment income (loss), net	2	0	2	(7)
Income before income taxes and income from investment in unconsolidated affiliate	330	322	653	614
Income tax provision	(109)	(110)	(211)	(259)
Income from investment in unconsolidated affiliate	0	0	26	146
Net income	$ 221	$ 212	$ 468	$ 501
Net income per share – basic (in dollars per share)	$ 1.05	$ 0.95	$ 2.20	$ 2.25
Net income per share – diluted (in dollars per share)	$ 1.02	$ 0.94	$ 2.15	$ 2.21
Shares used in computing net income per share:
Basic (in shares)	211.8	222.0	213.2	222.8
Diluted (in shares)	216.3	225.6	217.8	226.5