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Acquisitions - Additional Information (Detail) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 26, 2020 USD ($) Business | Dec. 28, 2019 USD ($)
Business Acquisition, Acquisition Related Costs [Line Items] |  |
Goodwill | $ 605 | $ 944
Multiple Acquisition |  |
Business Acquisition, Acquisition Related Costs [Line Items] |  |
Business combination consideration transferred | 37 |
Goodwill | 21 |
Multiple Acquisition | Customer Relationships |  |
Business Acquisition, Acquisition Related Costs [Line Items] |  |
Intangible assets acquired | $ 6 |
United States |  |
Business Acquisition, Acquisition Related Costs [Line Items] |  |
Number of business acquired | Business | 4 |

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