Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 26, 2024	Jan. 27, 2023	Jan. 26, 2024	Jan. 27, 2023
Segment Reporting Information [Line Items]
Net revenues	$ 1,606	$ 1,526	$ 4,600	$ 4,781
Segment cost of revenues	439	506	1,296	1,597
Segment gross profit	$ 1,167	$ 1,020	$ 3,304	$ 3,184
Segment gross margin	72.70%	66.80%	71.80%	66.60%
Unallocated cost of revenues	$ 16	$ 19	$ 47	$ 50
Gross profit	$ 1,151	$ 1,001	$ 3,257	$ 3,134
Total gross margin	71.70%	65.60%	70.80%	65.60%
Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 1,455	$ 1,376	$ 4,141	$ 4,357
Segment cost of revenues	387	459	1,141	1,465
Segment gross profit	$ 1,068	$ 917	$ 3,000	$ 2,892
Segment gross margin	73.40%	66.60%	72.40%	66.40%
Operating Segments | Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 151	$ 150	$ 459	$ 424
Segment cost of revenues	52	47	155	132
Segment gross profit	$ 99	$ 103	$ 304	$ 292
Segment gross margin	65.60%	68.70%	66.20%	68.90%
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 747	$ 682	$ 2,043	$ 2,305
Segment cost of revenues	280	365	819	1,177
Product [Member] | Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	747	682	2,043	2,305
Segment cost of revenues	280	365	819	1,177
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	151	150	459	424
Segment cost of revenues	52	47	155	132
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	151	150	459	424
Segment cost of revenues	52	47	155	132
Support
Segment Reporting Information [Line Items]
Net revenues	631	616	1,865	1,821
Segment cost of revenues	49	44	146	132
Support | Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	631	616	1,865	1,821
Segment cost of revenues	49	44	146	132
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	77	78	233	231
Segment cost of revenues	58	50	176	156
Professional and Other Services | Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	77	78	233	231
Segment cost of revenues	58	50	176	156
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