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Schedule of Goodwill by Segment (Detail)
$ in Millions
9 Months Ended
Sep. 25, 2021
USD ($)
Goodwill [Line Items]  
Balance as of December 26, 2020 $ 394
Acquisitions 68
Balance as of September 25, 2021 462
Operating Segments | Business Solutions Division  
Goodwill [Line Items]  
Balance as of December 26, 2020 316
Acquisitions 1
Balance as of September 25, 2021 317
Operating Segments | Retail Division  
Goodwill [Line Items]  
Balance as of December 26, 2020 78
Balance as of September 25, 2021 78
Other  
Goodwill [Line Items]  
Acquisitions 67
Balance as of September 25, 2021 $ 67