Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 25, 2021	Jun. 26, 2021	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019	Dec. 31, 2008
Other Intangible Assets [Line Items]
Goodwill	$ 464,000,000		$ 464,000,000	$ 394,000,000
Trade Name	13,000,000		13,000,000	13,000,000
Amortization of intangible assets			9,000,000	6,000,000	$ 6,000,000
Impairment of definite-lived intangible assets			$ 0	0	0
Customer Relationships
Other Intangible Assets [Line Items]
Weighted average amortization period for the definite-lived intangible assets (in years)			10 years
Operating Segments | Business Solutions Division
Other Intangible Assets [Line Items]
Goodwill, accumulated impairment loss				115,000,000		$ 349,000,000
Goodwill	318,000,000		$ 318,000,000	$ 316,000,000
Operating Segments | CompuCom Division
Other Intangible Assets [Line Items]
Contract reporting unit margin percentage			16.00%
Goodwill impairment loss	112,000,000	$ 103,000,000
Goodwill	215,000,000		$ 215,000,000
Indefinite-lived intangible assets , fair value	$ 26,000,000		26,000,000
Impairment of other indefinite-lived intangible assets		$ 11,000,000			$ 2,000,000
Non cash impairment charges			$ 37,000,000