Goodwill and Acquired Intangible Assets, Net - Acquired Intangible Assets, Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 03, 2018 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Weighted average remaining amortization period | 6 years 5 months 4 days | ||
| Amortization of acquired intangible assets | $ 368,082 | $ 183,318 | $ 3,570 |
| IPR&D | Minimum | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Weighted average remaining amortization period | 3 years | ||
| IPR&D | Maximum | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Weighted average remaining amortization period | 10 years | ||
| Aquantia and Avera | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Acquired intangible assets | $ 572,000 | ||
| Cavium | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Acquired intangible assets | $ 2,744,000 | $ 2,700,000 | |
| Weighted average remaining amortization period | 7 years 4 months 2 days | ||