Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 27, 2023	Jan. 28, 2022	Jan. 27, 2023	Jan. 28, 2022
Segment Reporting Information [Line Items]
Net revenues	$ 1,526	$ 1,614	$ 4,781	$ 4,638
Segment cost of revenues	506	527	1,597	1,471
Segment gross profit	$ 1,020	$ 1,087	$ 3,184	$ 3,167
Segment gross margin	66.80%	67.30%	66.60%	68.30%
Unallocated cost of revenues	$ 19	$ 14	$ 50	$ 36
Gross profit	$ 1,001	$ 1,073	$ 3,134	$ 3,131
Total gross margin	65.60%	66.50%	65.60%	67.50%
Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 1,376	$ 1,504	$ 4,357	$ 4,362
Segment cost of revenues	459	495	1,465	1,391
Segment gross profit	$ 917	$ 1,009	$ 2,892	$ 2,971
Segment gross margin	66.60%	67.10%	66.40%	68.10%
Operating Segments | Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 150	$ 110	$ 424	$ 276
Segment cost of revenues	47	32	132	80
Segment gross profit	$ 103	$ 78	$ 292	$ 196
Segment gross margin	68.70%	70.90%	68.90%	71.00%
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 682	$ 846	$ 2,305	$ 2,390
Segment cost of revenues	365	404	1,177	1,099
Product [Member] | Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	682	846	2,305	2,390
Segment cost of revenues	365	404	1,177	1,099
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	150	110	424	276
Segment cost of revenues	47	32	132	80
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	150	110	424	276
Segment cost of revenues	47	32	132	80
Support
Segment Reporting Information [Line Items]
Net revenues	616	586	1,821	1,754
Segment cost of revenues	44	45	132	141
Support | Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	616	586	1,821	1,754
Segment cost of revenues	44	45	132	141
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	78	72	231	218
Segment cost of revenues	50	46	156	151
Professional and Other Services | Operating Segments | Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	78	72	231	218
Segment cost of revenues	50	46	156	151
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