Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Acquired Intangible Assets, Net - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 06, 2018	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018	May 31, 2019	Feb. 02, 2019
Goodwill [Line Items]
Goodwill		$ 4,933,719		$ 4,933,719			$ 5,494,505
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining amortization period (years)				6 years 11 months 12 days	7 years 4 months 2 days
Amortization of acquired intangible assets		$ 81,000	$ 25,900	$ 160,707	$ 25,939
IPR&D \| Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining amortization period (years)	4 years
IPR&D \| Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining amortization period (years)	9 years
Wi-Fi Business \| Held-for-sale
Goodwill [Line Items]
Goodwill						$ 557,800