Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Oct. 27, 2023	Oct. 28, 2022	Oct. 27, 2023	Oct. 28, 2022
Segment Reporting Information [Line Items]
Net revenues	$ 1,562	$ 1,663	$ 2,994	$ 3,255
Segment cost of revenues	437	561	857	1,091
Segment gross profit	$ 1,125	$ 1,102	$ 2,137	$ 2,164
Segment gross margin	72.00%	66.30%	71.40%	66.50%
Unallocated cost of revenues	$ 15	$ 15	$ 31	$ 31
Gross profit	$ 1,110	$ 1,087	$ 2,106	$ 2,133
Total gross margin	71.10%	65.40%	70.30%	65.50%
Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 1,408	$ 1,521	$ 2,686	$ 2,981
Segment cost of revenues	385	516	754	1,006
Segment gross profit	$ 1,023	$ 1,005	$ 1,932	$ 1,975
Segment gross margin	72.70%	66.10%	71.90%	66.30%
Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 154	$ 142	$ 308	$ 274
Segment cost of revenues	52	45	103	85
Segment gross profit	$ 102	$ 97	$ 205	$ 189
Segment gross margin	66.20%	68.30%	66.60%	69.00%
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 706	$ 837	$ 1,296	$ 1,623
Segment cost of revenues	275	417	539	812
Product [Member] \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	706	837	1,296	1,623
Segment cost of revenues	275	417	539	812
Product [Member] \| Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	0	0	0	0
Segment cost of revenues	0	0	0	0
Public Cloud
Segment Reporting Information [Line Items]
Net revenues	154	142	308	274
Segment cost of revenues	52	45	103	85
Public Cloud \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	0	0	0	0
Segment cost of revenues	0	0	0	0
Public Cloud \| Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	154	142	308	274
Segment cost of revenues	52	45	103	85
Support
Segment Reporting Information [Line Items]
Net revenues	623	607	1,234	1,205
Segment cost of revenues	50	45	97	88
Support \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	623	607	1,234	1,205
Segment cost of revenues	50	45	97	88
Support \| Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	0	0	0	0
Segment cost of revenues	0	0	0	0
Professional and Other Services
Segment Reporting Information [Line Items]
Net revenues	79	77	156	153
Segment cost of revenues	60	54	118	106
Professional and Other Services \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	79	77	156	153
Segment cost of revenues	60	54	118	106
Professional and Other Services \| Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	0	0	0	0
Segment cost of revenues	$ 0	$ 0	$ 0	$ 0