Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Net revenue:
Product	$ 743	$ 757
Service and other	460	457
Total net revenue	1,203	1,214
Cost of revenue:
Product	94	252
Service and other	79	115
Total cost of revenue	173	367
Gross profit	1,030	847
Operating expenses:
Research and development	296	265
Marketing and sales	123	130
General and administrative	98	88
Acquisition-related contingent consideration	0	(1)
Amortization of intangibles	1	3
Total operating expenses	518	485
Operating income	512	362
Interest and other income (expense), net	(3)	(8)
Income before provision for income taxes	509	354
Provision for income taxes	67	19
Net income	$ 442	$ 335
Net income per share:
Basic	$ 1.42	$ 1.07
Diluted	$ 1.32	$ 1.04
Number of shares used in computation:
Basic	311	313
Diluted	335	322