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Acquisitions, Divestiture and Investment - Summary of Estimated Fair Value of Intangible Assets (Detail) - USD ($) $ in Millions |  | 6 Months Ended
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Jul. 17, 2020 | Dec. 31, 2020
Business Acquisition [Line Items] |  |
Estimated Weighted Average Useful Lives in Years |  | 5 years 1 month 6 days
Trade Names [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Weighted Average Useful Lives in Years |  | 5 years 1 month 6 days
Display Link Corporation [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Fair Value | $ 193.0 |
Display Link Corporation [Member] | Developed Technology [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Weighted Average Useful Lives in Years | 3 years |
Estimated Fair Value | $ 82.0 |
Display Link Corporation [Member] | Customer Contracts and Related Relationships [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Weighted Average Useful Lives in Years | 3 years |
Estimated Fair Value | $ 54.0 |
Display Link Corporation [Member] | In-Process Research and Development [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Fair Value | $ 51.0 |
Display Link Corporation [Member] | Trade Names [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Weighted Average Useful Lives in Years | 4 years |
Estimated Fair Value | $ 3.0 |
Display Link Corporation [Member] | Licensed Technology [Member] |  |
Business Acquisition [Line Items] |  |
Estimated Weighted Average Useful Lives in Years | 2 years 6 months |
Estimated Fair Value | $ 3.0 |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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