Business Combination - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | |||
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Apr. 27, 2020 |
Jan. 31, 2021 |
Jan. 26, 2020 |
Jan. 27, 2019 |
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| Business Acquisition [Line Items] | ||||
| Payments to acquire businesses, net of cash acquired | $ 8,524 | $ 4 | $ 0 | |
| Mellanox Technologies, Ltd | ||||
| Business Acquisition [Line Items] | ||||
| Payments to acquire businesses, net of cash acquired | $ 7,130 | |||
| Transaction costs | 28 | |||
| IPR&D | $ 630 | $ 630 | ||
| Fair value adjustment, inventory | $ 161 | |||
| Mellanox Technologies, Ltd | Revenue | ||||
| Business Acquisition [Line Items] | ||||
| Concentration risk (as percent) | 10.00% | |||
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- Definition 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. No definition available.
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to inventory acquired in connection with a business combination for which the initial accounting was incomplete. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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