Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jan. 24, 2025	Jan. 26, 2024	Jan. 24, 2025	Jan. 26, 2024
Segment Reporting Information [Line Items]
Net revenues	$ 1,641	$ 1,606	$ 4,840	$ 4,600
Segment cost of revenues	480	439	1,372	1,296
Segment gross profit	$ 1,161	$ 1,167	$ 3,468	$ 3,304
Segment gross margin	70.70%	72.70%	71.70%	71.80%
Unallocated cost of revenues	$ 16	$ 16	$ 48	$ 47
Gross profit	$ 1,145	$ 1,151	$ 3,420	$ 3,257
Total gross margin	69.80%	71.70%	70.70%	70.80%
Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 1,467	$ 1,455	$ 4,339	$ 4,141
Segment cost of revenues	439	387	1,241	1,141
Segment gross profit	$ 1,028	$ 1,068	$ 3,098	$ 3,000
Segment gross margin	70.10%	73.40%	71.40%	72.40%
Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 174	$ 151	$ 501	$ 459
Segment cost of revenues	41	52	131	155
Segment gross profit	$ 133	$ 99	$ 370	$ 304
Segment gross margin	76.40%	65.60%	73.90%	66.20%
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 758	$ 747	$ 2,195	$ 2,043
Segment cost of revenues	328	280	901	819
Product [Member] \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	758	747	2,195	2,043
Segment cost of revenues	328	280	901	819
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	174	151	501	459
Segment cost of revenues	41	52	131	155
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	174	151	501	459
Segment cost of revenues	41	52	131	155
Support
Segment Reporting Information [Line Items]
Net revenues	621	631	1,887	1,865
Segment cost of revenues	48	49	149	146
Support \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	621	631	1,887	1,865
Segment cost of revenues	48	49	149	146
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	88	77	257	233
Segment cost of revenues	63	58	191	176
Professional and Other Services \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	88	77	257	233
Segment cost of revenues	63	58	191	176
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