CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jan. 29, 2021	Jan. 24, 2020	Jan. 29, 2021	Jan. 24, 2020
Revenues:
Net revenues	$ 1,470	$ 1,404	$ 4,189	$ 4,011
Cost of revenues:
Total cost of revenues	495	463	1,409	1,329
Gross profit	975	941	2,780	2,682
Operating expenses:
Sales and marketing	436	402	1,297	1,196
Research and development	215	211	660	635
General and administrative	63	60	191	200
Restructuring charges	0	0	42	21
Acquisition-related expense	3	0	14	0
Gain on sale or derecognition of assets	0	0	0	(38)
Total operating expenses	717	673	2,204	2,014
Income from operations	258	268	576	668
Other income (expense), net	(11)	8	(50)	26
Income before income taxes	247	276	526	694
Provision (benefit) for income taxes	65	(1)	130	71
Net income	$ 182	$ 277	$ 396	$ 623
Net income per share:
Basic	$ 0.82	$ 1.23	$ 1.78	$ 2.67
Diluted	$ 0.80	$ 1.21	$ 1.76	$ 2.64
Shares used in net income per share calculations:
Basic	223	226	222	233
Diluted	227	229	225	236
Product [Member]
Revenues:
Net revenues	$ 775	$ 787	$ 2,151	$ 2,202
Cost of revenues:
Total cost of revenues	369	360	1,045	1,013
Software Maintenance [Member]
Revenues:
Net revenues	334	263	938	767
Cost of revenues:
Total cost of revenues	28	12	67	33
Hardware Maintenance and Other Services [Member]
Revenues:
Net revenues	361	354	1,100	1,042
Cost of revenues:
Total cost of revenues	$ 98	$ 91	$ 297	$ 283