Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Oct. 24, 2025	Oct. 25, 2024	Oct. 24, 2025	Oct. 25, 2024
Segment Reporting Information [Line Items]
Net revenues	$ 1,705	$ 1,658	$ 3,264	$ 3,199
Unallocated cost of revenues	10	17	20	32
Gross profit	$ 1,227	$ 1,177	$ 2,325	$ 2,275
Total gross margin	72.00%	71.00%	71.20%	71.10%
Operating Segments
Segment Reporting Information [Line Items]
Net revenues	$ 1,705	$ 1,658	$ 3,264	$ 3,199
Segment cost of revenues	468	464	919	892
Segment gross profit	$ 1,237	$ 1,194	$ 2,345	$ 2,307
Segment gross margin	72.60%	72.00%	71.80%	72.10%
Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 1,534	$ 1,490	$ 2,932	$ 2,872
Segment cost of revenues	439	420	858	802
Segment gross profit	$ 1,095	$ 1,070	$ 2,074	$ 2,070
Segment gross margin	71.40%	71.80%	70.70%	72.10%
Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	$ 171	$ 168	$ 332	$ 327
Segment cost of revenues	29	44	61	90
Segment gross profit	$ 142	$ 124	$ 271	$ 237
Segment gross margin	83.00%	73.80%	81.60%	72.50%
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 788	$ 768	$ 1,442	$ 1,437
Product [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Net revenues	788	768	1,442	1,437
Segment cost of revenues	319	305	620	573
Product [Member] \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	788	768	1,442	1,437
Segment cost of revenues	319	305	620	573
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
Support [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Net revenues	647	635	1,294	1,266
Segment cost of revenues	51	51	101	101
Support [Member] \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	647	635	1,294	1,266
Segment cost of revenues	51	51	101	101
Support [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
Professional And Other Services [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Net revenues	99	87	196	169
Segment cost of revenues	69	64	137	128
Professional And Other Services [Member] \| Operating Segments \| Hybrid Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	99	87	196	169
Segment cost of revenues	69	64	137	128
Professional And Other Services [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 [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Net revenues	171	168	332	327
Segment cost of revenues	29	44	61	90
Public Cloud [Member] \| 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 [Member] \| Operating Segments \| Public Cloud Segment
Segment Reporting Information [Line Items]
Net revenues	171	168	332	327
Segment cost of revenues	$ 29	$ 44	$ 61	$ 90