Merger, Restructuring and Other Activity - Additional Information (Detail)	1 Months Ended		3 Months Ended		12 Months Ended		23 Months Ended
	May 31, 2021 USD ($) Company	May 31, 2020 USD ($) Employee	Mar. 26, 2022 USD ($) Store	Mar. 27, 2021 USD ($)	Dec. 25, 2021 USD ($) Store	Dec. 26, 2020 Store Facility	Mar. 26, 2022 USD ($)
Merger Restructuring And Other Activity [Line Items]
Transaction and integration expenses			$ 0	$ 1,000,000
Costs to implement restructuring plan			10,000,000
Restructuring cash expenditure			7,000,000
Professional fees				1,000,000
USR Parent, Inc.
Merger Restructuring And Other Activity [Line Items]
Professional fees				1,000,000
Maximize B2B Restructuring Plan
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			$ 1,000,000	11,000,000			$ 96,000,000
Number of retail stores closed | Store			6		111	70
Number of distribution facilities closed | Facility						2
Restructuring cash expenditure			$ 2,000,000	4,000,000
Maximize B2B Restructuring Plan | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan							55,000,000
Maximize B2B Restructuring Plan | Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 49,000,000		1,000,000
Maximize B2B Restructuring Plan | Retail Store and Facility Closure Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		34,000,000		9,000,000
Maximize B2B Restructuring Plan | Other Costs Including Contract Termination Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 28,000,000	1,000,000
Restructuring cash expenditure			2,000,000
Maximize B2B Restructuring Plan | Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan				$ 1,000,000
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		$ 111,000,000
Maximize B2B Restructuring Plan | Maximum | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	$ 111,000,000	$ 111,000,000
Planned Separation of Consumer Business
Merger Restructuring And Other Activity [Line Items]
Estimated additional costs			100,000,000				$ 100,000,000
Number of independent company | Company	2
Planned Separation of Consumer Business | Other Costs Including Contract Termination Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			9,000,000
Restructuring cash expenditure			5,000,000
Planned Separation of Consumer Business | Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			$ 9,000,000		$ 32,000,000