Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Parenthetical) (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Jul. 25, 2025 |
|
| Segment Reporting [Abstract] | ||
| Unallocated cost of revenue stock-based compensation expense | $ 7 | $ 7 |
| Unallocated cost of revenue amortization of intangible assets | $ 3 | $ 3 |