Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Oct. 29, 2021	Oct. 30, 2020	Oct. 29, 2021	Oct. 30, 2020
Segment Reporting Information [Line Items]
Net revenues	$ 1,566	$ 1,416	$ 3,024	$ 2,719
Segment cost of revenues	496	468	944	885
Segment gross profit	$ 1,070	$ 948	$ 2,080	$ 1,834
Segment gross margin	68.30%	66.90%	68.80%	67.50%
Unallocated cost of revenues	$ 11	$ 15	$ 22	$ 29
Gross profit	$ 1,059	$ 933	$ 2,058	$ 1,805
Total gross margin	67.60%	65.90%	68.10%	66.40%
Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 1,479	$ 1,369	$ 2,858	$ 2,641
Segment cost of revenues	471	452	896	856
Segment gross profit	$ 1,008	$ 917	$ 1,962	$ 1,785
Segment gross margin	68.20%	67.00%	68.60%	67.60%
Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 87	$ 47	$ 166	$ 78
Segment cost of revenues	25	16	48	29
Segment gross profit	$ 62	$ 31	$ 118	$ 49
Segment gross margin	71.30%	66.00%	71.10%	62.80%
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 814	$ 749	$ 1,544	$ 1,376
Segment cost of revenues	369	352	695	657
Product [Member] \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	814	749	1,544	1,376
Segment cost of revenues	369	352	695	657
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	87	47	166	78
Segment cost of revenues	25	16	48	29
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	87	47	166	78
Segment cost of revenues	25	16	48	29
Support
Segment Reporting Information [Line Items]
Net revenues	590	553	1,168	1,130
Segment cost of revenues	48	50	96	101
Support \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	590	553	1,168	1,130
Segment cost of revenues	48	50	96	101
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	75	67	146	135
Segment cost of revenues	54	50	105	98
Professional and Other Services \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	75	67	146	135
Segment cost of revenues	54	50	105	98
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