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Segment Information - Additional Information (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 26, 2021
USD ($)
Jun. 27, 2020
USD ($)
Jun. 26, 2021
USD ($)
Segment
Jun. 27, 2020
USD ($)
Dec. 26, 2020
USD ($)
Segment Reporting Information [Line Items]          
Number of reportable segments | Segment     3    
Number of operating segments | Segment     3    
Goodwill impairment charge     $ 103    
Goodwill $ 575   $ 575   $ 609
CompuCom Division and Contract Reporting Unit          
Segment Reporting Information [Line Items]          
Carrying value in excess of fair value for reporting unit, percentage         12.00%
BuyerQuest Acquisition          
Segment Reporting Information [Line Items]          
Date of acquisition     Jan. 29, 2021    
Intersegment Eliminations          
Segment Reporting Information [Line Items]          
Revenues 6 $ 3 $ 10 $ 7  
Operating Segments | CompuCom Division          
Segment Reporting Information [Line Items]          
Goodwill, Fair value 103   103    
Goodwill impairment charge 103   103    
Goodwill 113   $ 113   $ 215
Operating Segments | CompuCom Division | Trade Name          
Segment Reporting Information [Line Items]          
Indefinite-lived intangible asset, impairment charge $ 11