Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets With Finite and Indefinite Lives (Details) - USD ($) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
Apr. 26, 2025 |
Apr. 25, 2026 |
Jul. 26, 2025 |
|
| Finite-Lived Intangible Assets, Net [Abstract] | |||
| Gross | $ 11,757 | $ 12,121 | |
| Accumulated Amortization | (3,907) | (2,946) | |
| Total | 7,850 | 9,175 | |
| Impairment charges | $ 19 | ||
| Customer related | |||
| Finite-Lived Intangible Assets, Net [Abstract] | |||
| Gross | 6,242 | 6,341 | |
| Accumulated Amortization | (1,826) | (1,268) | |
| Total | 4,416 | 5,073 | |
| Technology | |||
| Finite-Lived Intangible Assets, Net [Abstract] | |||
| Gross | 5,005 | 5,254 | |
| Accumulated Amortization | (1,991) | (1,606) | |
| Total | 3,014 | 3,648 | |
| Trade name | |||
| Finite-Lived Intangible Assets, Net [Abstract] | |||
| Gross | 510 | 526 | |
| Accumulated Amortization | (90) | (72) | |
| Total | $ 420 | $ 454 |