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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Goodwill and Acquired Intangible Assets, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 01, 2021	May 02, 2020	Aug. 01, 2020	Jan. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 10,965,666			$ 5,336,961
Weighted average remaining amortization period (years)	5 years 7 months 28 days		5 years 6 months 14 days
Amortization of acquired intangible assets	$ 128,639	$ 112,922
Inphi
Finite-Lived Intangible Assets [Line Items]
Goodwill	5,628,705
Acquired intangible assets, net	4,420,000
Cavium & Aquantia
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, net	3,300,000
IPR&D \| Inphi
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, net	$ 820,000
IPR&D \| Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining amortization period (years)	3 years
IPR&D \| Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining amortization period (years)	10 years