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Business Combination - Summary of Preliminary Acquisition Date Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions | Jan. 29, 2021 | Jul. 09, 2020 | Apr. 28, 2020 | Apr. 24, 2020
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 2,039 |  |  | $ 1,778
Cloud Jumper Corporation |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill |  |  | $ 12 |
Other assets |  |  | 1 |
Total assets acquired |  |  | 35 |
Liabilities assumed |  |  | (1) |
Total purchase price |  |  | 34 |
Cloud Jumper Corporation | Developed Technology |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets |  |  | 16 |
Cloud Jumper Corporation | Customer Contracts/Relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets |  |  | $ 6 |
Spot, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash |  | $ 24 |  |
Intangible assets |  | 84 |  |
Goodwill |  | 249 |  |
Other assets |  | 6 |  |
Total assets acquired |  | 363 |  |
Liabilities assumed |  | (23) |  |
Total purchase price |  | 340 |  |
Spot, Inc. | Developed Technology |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets |  | 53 |  |
Spot, Inc. | Customer Contracts/Relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets |  | $ 28 |  |

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