Merger, Restructuring and Other Activity - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended		11 Months Ended	12 Months Ended
	May 31, 2020 USD ($) Employee	Mar. 27, 2021 USD ($) Store Proposal	Mar. 28, 2020 USD ($)	Mar. 27, 2021 USD ($)	Dec. 26, 2020 Store Facility
Merger Restructuring And Other Activity [Line Items]
Transaction and integration expenses		$ 1	$ 7
Costs to implement restructuring plan		7
Restructuring cash expenditure		6
Professional fees		1	$ 6
USR Parent, Inc.
Merger Restructuring And Other Activity [Line Items]
Professional fees		$ 1
Number of proposal received | Proposal		2
Proposal received to acquire issued and outstanding stock or certain assets in percentage		100.00%
Maximize B2B Restructuring Plan
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 11		$ 92
Number of retail stores closed | Store		7			70
Number of distribution facilities closed | Facility					2
Restructuring cash expenditure		$ 5
Maximize B2B Restructuring Plan | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan				$ 33
Maximize B2B Restructuring Plan | Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	$ 55	1
Maximize B2B Restructuring Plan | Retail Store and Facility Closure Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	51	9
Maximize B2B Restructuring Plan | Other Costs Including Contract Termination Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	$ 37	5
Restructuring cash expenditure		3
Maximize B2B Restructuring Plan | Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		1
Maximize B2B Restructuring Plan | Maximum
Merger Restructuring And Other Activity [Line Items]
Number of expected reduction in employee position | Employee	13,100
Costs to implement restructuring plan	$ 143
Maximize B2B Restructuring Plan | Maximum | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	$ 143
CompuCom Strategic Alternatives Review
Merger Restructuring And Other Activity [Line Items]
Professional fees		1
CompuCom Strategic Alternatives Review | Other Costs Including Contract Termination Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 1